Method for creating evaluation moving image, display program, image providing system, and method for manufacturing sheet-like member

Abstract

To enable a sheet-like member to be efficiently evaluated or selected.SOLUTION: A method for creating a moving image for evaluation of a sheet-like member M includes: a still image acquisition step of acquiring a first still image that is obtained by illuminating the sheet-like member M in a first illumination direction DA1 and photographing the illuminated sheet-like member M and a second still image that is obtained by illuminating the sheet-like member M in a second illumination direction DA2 different from the first illumination direction DA1 and photographing the illuminated sheet-like member M; and a moving image creation step of combining the first and second still images to create a moving image. The sheet-like member M has a rugged structure U on the surface or inside of the sheet-like member M.SELECTED DRAWING: Figure 4

Description

Technical Field

[0001] The present invention relates to a method for creating an evaluation moving image, a display program, an image providing system, and a method for manufacturing a sheet-like member.

Background Art

[0002] For example, the development of a vehicle includes a process of determining the concept of the vehicle and a process of determining the design of the vehicle based on the determined concept. The determination of the vehicle design includes not only the determination of the shape of each vehicle part but also the selection of a decorative sheet provided on the surface of each vehicle part. By providing a decorative sheet on the surface of a vehicle part, a desired color, pattern, texture (such as the presence or absence of gloss) can be imparted to the surface of the vehicle part. Decorative sheets are disclosed in, for example, Patent Documents 1 to 3.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Patent Document 2

Patent Document 3

Summary of the Invention

Problems to be Solved by the Invention

[0004] Incidentally, since the decorative sheet is a material that greatly affects the design of vehicle parts, conventionally, the evaluation and selection of decorative sheets have been carried out while actually holding and looking at samples of various decorative sheets. In particular, in the case of a decorative sheet having an uneven structure on its surface or inside, such as the decorative sheets disclosed in Patent Documents 1 to 3, the evaluation and selection of the decorative sheet involve tilting the decorative sheet in various directions to confirm changes in the appearance of the decorative sheet. For this reason, the time and cost spent on producing samples of decorative sheets have been a problem. In particular, when the manufacturer of the decorative sheet and the developer of the vehicle are different, the above developer cannot evaluate and select the decorative sheet until the above manufacturer produces a sample of the decorative sheet and provides it to the above developer. Furthermore, when the manufacturer of the decorative sheet and the developer of the vehicle are different, smooth communication of intentions cannot be achieved between the two, and the above manufacturer may have to produce and provide the above sample multiple times. This may increase the time and cost (especially the time and cost required for producing samples of decorative sheets) spent on evaluating and selecting decorative sheets. Similar problems also occur in the development of other products such as clothing accessories.

[0005] The present disclosure has been made in consideration of the above points, and an object thereof is to enable efficient evaluation or selection of a sheet-like member.

Means for Solving the Problem

[0006] A method for creating a moving image for evaluating a sheet-like member according to an embodiment of the present disclosure includes: a still image acquisition step of acquiring a first still image obtained by illuminating and photographing the sheet-like member in a first illumination direction and a second still image obtained by illuminating and photographing the sheet-like member in a second illumination direction different from the first illumination direction; a moving image creation step of combining the first still image and the second still image to create a moving image; and includes the sheet-like member has an uneven structure on its surface or inside.

[0007] The method for creating an evaluation moving image according to an embodiment of the present disclosure is as follows: In the still image acquisition step, a third still image obtained by illuminating and photographing the sheet-like member in a third illumination direction different from the first illumination direction and the second illumination direction may be further acquired. In the moving image creation step, the first still image, the second still image, and the third still image may be combined to create a moving image.

[0008] In the method for creating an evaluation moving image according to an embodiment of the present disclosure, The moving image may be created by combining the first still image, the second still image, and the third still image such that the illumination direction of the sheet-like member when the first still image, the second still image, and the third still image are photographed changes according to a predetermined rule.

[0009] In the method for creating an evaluation moving image according to an embodiment of the present disclosure, The moving image may be created by combining the first still image, the second still image, and the third still image such that the illumination direction of the sheet-like member when the first still image, the second still image, and the third still image are photographed changes sequentially.

[0010] Alternatively, the method for creating an evaluation moving image of a sheet-like member according to an embodiment of the present disclosure is as follows: A still image acquisition step of acquiring a first still image obtained by photographing a sheet-like member in a first photographing direction and a second still image obtained by photographing the sheet-like member in a second photographing direction different from the first photographing direction, A moving image creation step of combining the first still image and the second still image to create a moving image, and The sheet-like member has an uneven structure on its surface or inside.

[0011] The method for creating an evaluation moving image according to an embodiment of the present disclosure is as follows: In the still image acquisition step, a third still image obtained by photographing the sheet-like member in a third photographing direction different from the first photographing direction and the second photographing direction may be further acquired. In the moving image creation step, the first still image, the second still image, and the third still image may be combined to create a moving image.

[0012] In an evaluation moving image creation method according to an embodiment of the present disclosure, The moving image may be created by combining the first still image, the second still image, and the third still image such that the photographing direction of the sheet-like member when the first still image, the second still image, and the third still image are photographed changes according to a predetermined rule.

[0013] In an evaluation moving image creation method according to an embodiment of the present disclosure, The moving image may be created by combining the first still image, the second still image, and the third still image such that the photographing direction of the sheet-like member when the first still image, the second still image, and the third still image are photographed changes sequentially.

[0014] A display program according to an embodiment of the present disclosure is A display program for causing a display device including a display unit to display an image of a sheet-like member having an uneven structure on a surface or inside, Causing the display device to execute a process of displaying a moving image created by combining a first still image obtained by illuminating and photographing the sheet-like member in a first illumination direction and a second still image obtained by illuminating and photographing the sheet-like member in a second illumination direction different from the first illumination direction on the display unit.

[0015] In a display program according to an embodiment of the present disclosure, The moving image may be created by combining the first still image, the second still image, and a third still image obtained by photographing the sheet-like member under a third illumination direction different from the first illumination direction and the second illumination direction.

[0016] In a display program according to an embodiment of the present disclosure, the moving image may be created by combining the first still image, the second still image, and the third still image such that the illumination direction of the sheet-like member when the first still image, the second still image, and the third still image are photographed changes according to a predetermined rule. The display program may cause the display device to execute a process of displaying the predetermined rule together with the moving image on the display unit.

[0017] In a display program according to an embodiment of the present disclosure, the moving image may be created by combining the first still image, the second still image, and the third still image such that the illumination direction of the sheet-like member when the first still image, the second still image, and the third still image are photographed changes sequentially.

[0018] Alternatively, a display program according to an embodiment of the present disclosure is a display program for causing a display device including a display unit to display an image of a sheet-like member having an uneven structure on its surface or inside, and causes the display device to execute a process of displaying a moving image created by combining a first still image obtained by photographing the sheet-like member in a first photographing direction and a second still image obtained by photographing the sheet-like member in a second photographing direction different from the first photographing direction on the display unit.

[0019] In a display program according to an embodiment of the present disclosure, The moving image may be created by combining the first still image, the second still image, and a third still image obtained by photographing in a third photographing direction different from the first photographing direction and the second photographing direction.

[0020] In a display program according to an embodiment of the present disclosure, The moving image may be created by combining the first still image, the second still image, and the third still image such that the photographing directions of the sheet-like member when the first still image, the second still image, and the third still image are photographed change according to a predetermined rule. The display program may cause the display device to execute a process of displaying the predetermined rule together with the moving image on the display unit.

[0021] In a display program according to an embodiment of the present disclosure, The moving image may be created by combining the first still image, the second still image, and the third still image such that the photographing directions of the sheet-like member when the first still image, the second still image, and the third still image are photographed change sequentially.

[0022] A display program according to an embodiment of the present disclosure may cause the display device to execute a process of displaying a still image of the sheet-like member together with the moving image on the display unit.

[0023] In a display program according to an embodiment of the present disclosure, The display device may further include an operation unit. The display program includes a process of displaying, on the display unit, a display area in which the moving image is displayed and a switching unit for switching an image displayed in the display area to any one of the still images constituting the moving image. When the switching unit is operated by the operation unit, a process of displaying any one of the still images constituting the moving image in the display area. may be executed by the display device.

[0024] The display program according to an embodiment of the present disclosure is such that when the switching means is operated by the operation unit, the display device may be caused to execute a process of displaying, on the display unit, a still image corresponding to the operation of the switching means among the still images constituting the moving image.

[0025] In the display program according to an embodiment of the present disclosure, the display device may further include an operation unit, and the display program is a process of displaying, on the display unit, a display area in which the moving image is displayed, a first switching means for switching the image displayed in the display area to the first still image and indicating the first illumination direction, and a second switching means for switching the image displayed in the display area to the second still image and indicating the second illumination direction; a process of displaying the first still image in the display area when the first switching means is operated by the operation unit; a process of displaying the second still image in the display area when the second switching means is operated by the operation unit, and the display device may be caused to execute these processes.

[0026] In the display program according to an embodiment of the present disclosure, the display device may further include an operation unit, and the display program is a process of displaying, on the display unit, a display area in which the moving image is displayed, a first switching means for switching the image displayed in the display area to the first still image, a second switching means for switching the image displayed in the display area to the second still image, and a display indicating that the first switching means and the second switching means respectively correspond to still images of the sheet-like member photographed while being illuminated in the first illumination direction and the second illumination direction; a process of displaying the first still image in the display area when the first switching means is operated by the operation unit; When the second switching means is operated by the operation unit, the process of displaying the second still image in the display area may be executed on the display device.

[0027] In a display program according to an embodiment of the present disclosure, the display device may further include an operation unit, and the display program displays in the display unit a display area where the moving image is displayed, first switching means for switching the image displayed in the display area to the first still image and indicating the first shooting direction, and second switching means for switching the image displayed in the display area to the second still image and indicating the second shooting direction; when the first switching means is operated by the operation unit, the process of displaying the first still image in the display area; when the second switching means is operated by the operation unit, the process of displaying the second still image in the display area may be executed on the display device.

[0028] In a display program according to an embodiment of the present disclosure, the display device may further include an operation unit, and the display program displays in the display unit a display area where the moving image is displayed, first switching means for switching the image displayed in the display area to the first still image, second switching means for switching the image displayed in the display area to the second still image, and a display indicating that the first switching means and the second switching means respectively correspond to the still images of the sheet-like member photographed in the first shooting direction and the second shooting direction; when the first switching means is operated by the operation unit, the process of displaying the first still image in the display area; when the second switching means is operated by the operation unit, the process of displaying the second still image in the display area may be It may be caused to be executed by the display device.

[0029] An image providing system according to an embodiment of the present disclosure is an image providing system that provides an image of a sheet-like member having an uneven structure on its surface or inside to a display device, a storage unit that stores a moving image created by combining a first still image obtained by illuminating and photographing the sheet-like member in a first illumination direction and a second still image obtained by illuminating and photographing the sheet-like member in a second illumination direction different from the first illumination direction; a communication unit that transmits the moving image to the display device; and includes.

[0030] Alternatively, an image providing system according to an embodiment of the present disclosure is an image providing system that provides an image of a sheet-like member having an uneven structure on its surface or inside to a display device, a storage unit that stores a moving image created by combining a first still image obtained by photographing the sheet-like member in a first photographing direction and a second still image obtained by photographing the sheet-like member in a second photographing direction different from the first photographing direction; a communication unit that transmits the moving image to the display device; and includes.

[0031] An image providing system according to an embodiment of the present disclosure may further include a processing unit that performs processing based on an input from the display device, the storage unit may store a plurality of moving images, the processing unit may select at least one moving image from among the plurality of moving images stored in the storage unit based on an input from the display device, and the communication unit may transmit the moving image selected by the processing unit to the display device.

[0032] A method for manufacturing a sheet-like member according to an embodiment of the present disclosure is a method for manufacturing a sheet-like member based on an evaluation result by an evaluator, A step of providing, to the evaluator, a moving image created by combining a first still image obtained by illuminating and photographing a sheet-like member having an uneven structure on its surface or inside in a first illumination direction and a second still image obtained by illuminating and photographing the sheet-like member in a second illumination direction different from the first illumination direction; A step of receiving an evaluation result from the evaluator; A step of manufacturing the sheet-like member or a new sheet-like member based on the evaluation result; Comprising; The new sheet-like member is manufactured based on the sheet-like member and the evaluation result.

[0033] A method for manufacturing a sheet-like member according to an embodiment of the present disclosure is a method for manufacturing a sheet-like member based on an evaluation by an evaluator, A step of providing, to the evaluator, a moving image created by combining a first still image obtained by photographing a sheet-like member having an uneven structure on its surface or inside in a first photographing direction and a second still image obtained by photographing the sheet-like member in a second photographing direction different from the first photographing direction; A step of receiving an evaluation result from the evaluator; A step of manufacturing the sheet-like member or a new sheet-like member based on the evaluation result; Comprising; The new sheet-like member is manufactured based on the sheet-like member and the evaluation result.

[0034] In a method for manufacturing a sheet-like member according to an embodiment of the present disclosure, The new sheet-like member may have, on its surface or inside, a new uneven structure obtained by changing the uneven structure of the sheet-like member based on the evaluation result.

[0035] In a method for manufacturing a sheet-like member according to an embodiment of the present disclosure, The sheet-like member may have a design layer, The new sheet-like member may have a new design layer obtained by changing the design layer of the sheet-like member based on the evaluation result.

Advantages of the Invention

[0036] According to the present invention, evaluation or selection of a sheet-like member can be efficiently performed.

Brief Description of the Drawings

[0037]

Figure 1A

Figure 1B

Figure 1C

Figure 1D

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Figure 10

Figure 11

Figure 12

Figure 13

Figure 14

Figure 15A

Figure 15B

Figure 15C

Figure 16

Figure 17

Figure 18

Figure 19

[0038] Hereinafter, an embodiment of the present disclosure will be described with reference to the drawings. In the drawings attached to this specification, for the sake of illustration and ease of understanding, the scale, aspect ratio, etc. are appropriately changed and exaggerated from those of the actual object.

[0039] To clarify the directional relationship between the drawings, in some of the drawings, the X-axis, Y-axis, and Z-axis are indicated by arrows as common directions between the drawings. An arrow pointing into the depth along the direction perpendicular to the drawing plane is indicated by a symbol with an "×" in a circle, as shown in FIG. 1A for example. An arrow pointing forward from the drawing plane along the direction perpendicular to the drawing plane is indicated by a symbol with a dot in a circle, as shown in FIG. 4.

[0040] In this specification, terms used to specify shapes, geometric conditions, and their degrees, such as "parallel", "perpendicular", "identical", etc., as well as values of lengths and angles, are not limited to strict meanings, but are interpreted to include ranges that can be expected to have similar functions.

[0041] First, with reference to FIG. 1A, the configuration of the decorative sheet M as a sheet-like member will be described. FIG. 1A is a cross-sectional view schematically showing the configuration of the decorative sheet M.

[0042] The decorative sheet M is used, for example, to impart a design to interior and exterior parts of a moving body, interior and exterior materials of building materials, and the housing of home appliances. The moving body is, for example, an automobile, a railway vehicle, a carriage, a ship, an airplane, a helicopter, a drone, or a robot.

[0043] The decorative sheet M covers at least a part of the surface of interior and exterior parts of a moving body, interior and exterior materials of building materials, and the housing of home appliances. In the illustrated example, the decorative sheet M is produced by laminating a design layer 2, a surface protection layer 3, etc. on a base sheet 1 made of a resin material.

[0044] Examples of the resin material forming the base sheet 1 include acrylic resins such as polymethyl methacrylate, polyethylene terephthalate, vinyl chloride, ABS (acrylonitrile butadiene styrene copolymer), polycarbonate, polyethylene naphthalate, polystyrene, cyclic polyolefin, and the like. The base sheet 1 may be produced by laminating a plurality of sheets made of the exemplified materials. For example, it may be produced by laminating an acrylic resin sheet and an ABS sheet. The base sheet 1 may be transparent or opaque. The base sheet 1 may be colored.

[0045] The design layer 2 is, for example, a layer in which patterns such as colors, patterns, figures, designs, pictures, photographs, characters, marks, pictograms, letters, and numbers are formed. The design layer 2 may have the concavo-convex structure U on its surface or inside. When the design layer 2 has the concavo-convex structure U, a three-dimensional effect with depth can be imparted to the decorative sheet M. The design layer 2 may be formed by printing or by transfer.

[0046] The surface protection layer 3 forms the outermost surface of the decorative molded article to which the decorative sheet M is applied. The surface protection layer 3 has scratch resistance and the like. The surface protection layer 3 is made of, for example, a resin material. Examples of the resin material forming the surface protection layer 3 include thermoplastic resins, thermosetting resins, and radiation-curable resins. The surface protection layer 3 may have the concavo-convex structure U on its surface or inside.

[0047] Such a decorative sheet M can represent the textures of materials such as wood, cloth, leather, stone, and metal.

[0048] Note that the configuration of the decorative sheet M is not limited to the above-described examples. For example, the decorative sheet M may further include functional layers such as an ultraviolet absorption layer, an antireflection layer, a light diffusion layer, an adhesive layer, and a backing layer.

[0049] Alternatively, as shown in FIG. 1B, the decorative sheet M may have the concavo-convex structure U only inside. In the example shown in FIG. 1B, the design layer 2 has the concavo-convex structure U on both sides thereof. Further, the base sheet 1 and the surface protective layer 3 have the concavo-convex structure U on the surfaces facing the design layer 2.

[0050] Alternatively, as shown in FIG. 1C, the decorative sheet M may be composed of a single layer 4. In the example shown in FIG. 1C, the decorative sheet M has the concavo-convex structure U on its surface. Such a decorative sheet M can be produced, for example, by molding a resin with a mold having concavities and convexities formed thereon by embossing or the like.

[0051] By the way, since the decorative sheet has a great influence on the design of the component to which the decorative sheet is applied, conventionally, the evaluation and selection of the decorative sheet have been carried out while actually holding and looking at samples of various decorative sheets. In particular, in the case of a decorative sheet having a concavo-convex structure on its surface or inside, such as the decorative sheets shown in FIGS. 1A to 1C, the evaluation and selection of the decorative sheet involve tilting the decorative sheet in various directions to confirm the change in the appearance of the decorative sheet. Such an evaluation and selection method is particularly important when the decorative sheet is applied to interior parts of an automobile. This is for the following reasons. That is, in many cases, the shape of the interior parts of an automobile is not a planar shape but a three-dimensional shape. In other words, the surfaces of the interior parts to which the decorative sheet is applied often include a plurality of regions facing different directions. In this case, the decorative sheets applied to the above-mentioned plurality of regions of the interior parts face different directions with respect to the passengers of the automobile. As a result, the incident direction of light on the decorative sheet applied to the interior part varies depending on the region of the decorative sheet. That is, the passenger will observe the decorative sheet with light incident in a plurality of different incident directions. If the decorative sheet glitters depending on the incident direction of light on the decorative sheet, there is a risk of giving discomfort to the passenger. Therefore, it is particularly important to confirm the reflected light from the decorative sheet while tilting the decorative sheet in various directions when the decorative sheet is applied to the interior parts of an automobile.

[0052] However, when the manufacturer of the decorative sheet and the developer of the vehicle are different, the above developer cannot evaluate and select the decorative sheet until the manufacturer manufactures a sample of the decorative sheet and provides it to the developer, which is inconvenient.

[0053] In consideration of such points, in this embodiment, the evaluation system shown in FIG. 2 is used to evaluate the decorative sheet M. By using the evaluation system shown in FIG. 2, the decorative sheet M can be efficiently evaluated.

[0054] <Evaluation system> With reference to FIG. 2, the configuration of the evaluation system 10 will be described. As shown in FIG. 2, the evaluation system 10 includes an image generation device 20, a storage unit 30, and a display device 40. The image generation device 20, the storage unit 30, and the display device 40 are communicably connected to each other via a network 15 such as the Internet. Note that the network 15 may be either a wired line or a wireless line, and the type and form of the line are not limited. In the example shown in FIG. 2, the image generation device 20 and the storage unit 30 constitute an image providing system 11 that provides an image to the display device 40.

[0055] The image generation device 20 generates an image used for evaluating the decorative sheet M. The image obtained from the image generation device 20 is stored in the storage unit 30. The display device 40 can display the image stored in the storage unit 30. The user of the display device 40 evaluates the decorative sheet M by viewing the image displayed on the display device 40. The user of the display device 40 is, for example, the developer of the product to which the decorative sheet M is applied. On the other hand, the user of the image generation device 20 is, for example, the manufacturer of the decorative sheet. Hereinafter, the user of the image generation device 20 is also referred to as the "image provider". Also, the user of the display device 40 is also referred to as the "evaluator".

[0056] (Image generation device) The image generation device 20 has a display unit 21, a communication unit 22, a storage unit 23, a processing unit 24, and an operation unit 25.

[0057] The display unit 21 is for displaying an image or the like of the decorative sheet M. The display unit 21 can use any display such as a liquid crystal display, a plasma display, or an organic EL display.

[0058] The communication unit 22 is an interface for the image generation device 20 to transmit and receive information to and from the storage unit 30 and the display device 40 via the network 15.

[0059] The storage unit 23 is for storing an image or the like of the decorative sheet M. This storage unit 23 may be a memory such as a ROM or a RAM, for example.

[0060] The processing unit 24 is for executing necessary processes in the image generation device 20. This processing unit 24 may be constituted by a CPU (Central Processing Unit) that operates based on a predetermined program, for example.

[0061] The operation unit 25 is an input device operated by an image provider. When the operation unit 25 is operated, a process corresponding to the operation of the operation unit is executed by the processing unit 24. The operation unit 25 may be a keyboard, a mouse, a trackball, a trackpad, a joystick, or the like. Also, when the display unit 21 has a touch panel function, the operation unit 25 may be realized by the touch panel function of the display unit 21. That is, in this case, the operation unit 25 may be integrated with the display unit 21.

[0062] This image generation device 20 may be, for example, a desktop personal computer, a notebook personal computer, or a mobile terminal such as a smartphone or a tablet terminal.

[0063] (Storage Unit) The storage unit 30 has a communication unit 31, a storage unit 32, and a processing unit 33.

[0064] The communication unit 31 is an interface for the storage unit 30 to transmit and receive information to and from the image generation device 20 and the display device 40 via the network 15.

[0065] The storage unit 32 is for storing images of the decoration sheet M provided from the image generation device 20 and the like, and a display program described later. In the example shown in FIG. 2, the storage unit 32 stores images of 90 types of decoration sheets M1 to M90. This storage unit 32 may be a memory such as a ROM or a RAM, for example.

[0066] The image of the decoration sheet M may be stored in the storage unit 32 together with attribute information representing the attributes of the decoration sheet. The attributes of the decoration sheet M may be, for example, the color, pattern, texture of the decoration sheet M, or the concept of the design represented by the decoration sheet M (for example, "sporty" or "luxury", etc.). In this case, one decoration sheet M may have a plurality of attributes. Also, a plurality of decoration sheets M may have the same attribute. In the example shown in FIG. 2, the images of the decoration sheets M are grouped and stored for each of their attributes. More specifically, the images of a plurality of decoration sheets M1 to M90 are classified and stored in 10 groups (concepts A to J). The attributes of the decoration sheet M may be determined by, for example, the image provider.

[0067] The processing unit 33 is for executing necessary processing in the storage unit 30. The processing unit 33 may be configured by, for example, a CPU that operates based on a predetermined program.

[0068] Based on a signal from the display device 40, the processing unit 33 selects one or more decoration sheets M from among the plurality of decoration sheets M1 to M90 in which images are stored in the storage unit 32, and is configured to transmit the image of the selected decoration sheet M to the display device 40. Thereby, the evaluator can view the image of the desired decoration sheet M on the display device 40. In the illustrated example, based on the concept represented by the signal from the display device 40, the processing unit 33 selects the image of the decoration sheet M belonging to the concept and transmits it to the display device 40.

[0069] The storage unit 30 may be a cloud server. Note that the storage unit 30 may also be a stand-alone server, a file server, or the like.

[0070] (Display device) The display device 40 includes a display unit 41, a communication unit 42, a storage unit 43, a processing unit 44, and an operation unit 45.

[0071] The display unit 41 is for displaying the image received from the storage unit 30. The display unit 41 can use any display unit such as a liquid crystal display, a plasma display, an organic EL display, or the like.

[0072] The display conditions when displaying an image on the display unit 41 of the display device 40 are preferably determined based on the display conditions when displaying an image on the display unit 21 of the image generation device 20. Here, the display conditions mean the fineness, color, and brightness of the display for displaying the image. In this case, for example, when the display unit 21 of the image generation device 20 is a liquid crystal display, the display unit 41 of the display device 40 may be the same liquid crystal display as the display unit 21 of the image generation device 20. Also, for example, when the display unit 21 of the image generation device 20 is a liquid crystal display, the display unit 41 of the display device 40 may be a liquid crystal display that can support the same color gamut standard as the display unit 21 of the image generation device 20. Thereby, the display mode of the image displayed on the display unit 41 of the display device 40 can be made closer to the display mode of the image displayed by the display unit 21 of the image generation device 20, and the difference between the design of the decorative sheet M grasped by the display unit 21 of the image generation device 20 and the design of the decorative sheet M grasped by the display unit 41 of the display device 40 can be suppressed. As a result, the evaluator can more accurately evaluate the design of the decorative sheet M provided by the image provider.

[0073] The communication unit 42 is an interface for the display device 40 to transmit and receive information with the storage unit 30 and the image generation device 20 via the network 15.

[0074] The storage unit 43 is for storing images and the like acquired from the storage unit 30. The storage unit 43 may be a memory such as a ROM or a RAM, for example.

[0075] The processing unit 44 is for executing necessary processing in the display device 40. The processing unit 44 may be configured by a CPU that operates based on a predetermined program, for example. In the illustrated example, the processing unit 44 cooperates with the display program acquired from the storage unit 30 to display an image of the decorative sheet M on the display unit 41.

[0076] The operation unit 45 is an input device operated by an evaluator. When the operation unit 45 is operated, processing corresponding to the operation of the operation unit 45 is executed by the processing unit 44. The operation unit 45 may be a keyboard, a mouse, a trackball, a trackpad, a joystick, or the like. When the display unit 41 has a touch panel function, the operation unit 45 may be realized by the touch panel function of the display unit 41. That is, in this case, the operation unit 45 may be integrated with the display unit 41.

[0077] The display device 40 may be, for example, a desktop personal computer, a notebook personal computer, or a mobile terminal such as a smartphone or a tablet terminal.

[0078] <Moving image creation method> Incidentally, the decorative sheet M is a material that has a great influence on the design of the article to which the decorative sheet M is applied. When the decorative sheet M has an uneven structure U inside or on its surface, the appearance may vary depending on the incident direction of light on the decorative sheet M. For this reason, generally, an evaluator evaluates the decorative sheet M by actually holding a sample of the decorative sheet M and tilting the decorative sheet M in various directions, that is, while changing the incident direction of light on the decorative sheet M. Therefore, even when evaluating the decorative sheet M using the evaluation system 10 as described above, it is desirable to be able to evaluate the decorative sheet M while changing the incident direction of light on the decorative sheet M.

[0079] In this regard, it is also conceivable to create three-dimensional image data of the decorative sheet M using a three-dimensional CAD (Computer Aided Design) system or the like, display it on the display unit 41, and move the decorative sheet M represented by the three-dimensional image data on the display unit 41 to grasp the difference in the appearance of the decorative sheet M due to the difference in the incident direction of light on the decorative sheet M. However, there may be a significant difference between the design represented by the three-dimensional image data created in this way and the design represented by the actual decorative sheet M.

[0080] In consideration of such points, the image used for evaluating the decorative sheet M is generated as follows.

[0081] First, as shown in FIGS. 3 and 4, the imaging device 50 is used to illuminate and photograph the decorative sheet M in a plurality of different illumination directions from each other, thereby acquiring a plurality of still images. As a result, a plurality of still images with different incident directions of light on the decorative sheet M can be obtained. Here, the illumination direction of the decorative sheet M and the incident direction of light on the decorative sheet M are the same direction.

[0082] In the illustrated example, the decorative sheet M is placed flat on the flat placement surface of the placement table 55. The placement table 55 is stationary with respect to the floor surface or the like on which the placement table 55 is installed. Then, the imaging device 50 is used to photograph the decorative sheet M from above it to obtain a still image. At this time, by illuminating and photographing the decorative sheet M in the first to eighth different illumination directions DA1 to DA8, the first to eighth still images are acquired. More specifically, as can be understood from FIGS. 3 and 4, the lighting devices 60 are arranged at the first to eighth different positions above the decorative sheet M, and the decorative sheet M illuminated from each position is photographed. The first to eighth positions may be determined so as to be at the same height position with respect to the decorative sheet M. Also, as shown in FIG. 4, the first to eighth positions may be determined so as to be positions surrounding the decorative sheet M when viewed in the direction along the normal line N of the decorative sheet M. The incident directions of the light incident on the decorative sheet M from the lighting devices 60 arranged at the first to eighth positions are respectively the directions DA1 to DA8, which are different from each other. In the example shown in FIGS. 3 and 4, the photographing direction D50 of the imaging device 50 with respect to the decorative sheet M is the direction along the normal line N of the decorative sheet M. Also, in the example shown in FIGS. 3 and 4, when photographing the first to eighth still images, the decorative sheet M is illuminated with the same brightness. Furthermore, when photographing the first to eighth still images, the decorative sheet M is illuminated with the same light source. In this way, the photographing conditions when photographing the first to eighth still images are made to match except for the illumination direction of the decorative sheet M. As an example, FIGS. 5 show the first to eighth still images of the decorative sheet M2. In the illustrated example, the first to eighth still images are stored in the storage unit 23 of the image generation device 20.

[0083] Here, an image obtained by illuminating the decorative sheet M in the first illumination direction DA1 with the illumination device 60 disposed at the first position and then photographing is referred to as a "first still image". Also, an image obtained by illuminating the decorative sheet M in the second illumination direction DA2 with the illumination device 60 disposed at the second position and then photographing is referred to as a "second still image". Also, an image obtained by illuminating the decorative sheet M in the third illumination direction DA3 with the illumination device 60 disposed at the third position and then photographing is referred to as a "third still image". Also, an image obtained by illuminating the decorative sheet M in the fourth illumination direction DA4 with the illumination device 60 disposed at the fourth position and then photographing is referred to as a "fourth still image". Also, an image obtained by illuminating the decorative sheet M in the fifth illumination direction DA5 with the illumination device 60 disposed at the fifth position and then photographing is referred to as a "fifth still image". Also, an image obtained by illuminating the decorative sheet M in the sixth illumination direction DA6 with the illumination device 60 disposed at the sixth position and then photographing is referred to as a "sixth still image". Also, an image obtained by illuminating the decorative sheet M in the seventh illumination direction DA7 with the illumination device 60 disposed at the seventh position and then photographing is referred to as a "seventh still image". Also, an image obtained by illuminating the decorative sheet M in the eighth illumination direction DA8 with the illumination device 60 disposed at the eighth position and then photographing is referred to as an "eighth still image".

[0084] Next, a plurality of obtained still images are combined to create a moving image. In this way, a moving image used for evaluating the decorative sheet M is acquired. FIG. 6 shows a moving image created by combining the first to eighth still images of the decorative sheet M2 shown in FIG. 5.

[0085] In the illustrated example, the moving image is created by combining the plurality of still images according to a predetermined combination rule. More specifically, the moving image is created by combining the plurality of still images such that the illumination directions of the plurality of still images constituting the moving image change according to a predetermined rule. With such a moving image, the evaluator can grasp the relationship between the change in the incident direction of light on the decorative sheet M and the change in the appearance of the decorative sheet M. In other words, with such a moving image, the evaluator can grasp the difference in the reflected light incident on the evaluator's eyes from the decorative sheet M due to the difference in the incident direction of light on the decorative sheet M. As a result, it is also possible to grasp whether or not the decorative sheet M flickers depending on the incident direction of light on the decorative sheet M. In the illustrated example, the moving image of the decorative sheet M is created in the processing unit 24 of the image generation device 20 by combining the first to eighth still images of the decorative sheet M in this order. Thereby, as shown in FIG. 6, a moving image is created in which the first to eighth still images of the decorative sheet M are continuously displayed in this order. Such a moving image can show the change in the appearance of the decorative sheet M as the illumination direction of the decorative sheet M changes from the first to the eighth illumination directions DA1 to DA8 in this order.

[0086] In the illustrated example, the moving image is created by continuously combining the first to eighth still images such that the illumination directions DA1 to DA8 of the decorative sheet M when the first to eighth still images are taken change sequentially. In the example shown in FIG. 6, the moving image is created such that the illumination direction of the decorative sheet M2 changes sequentially clockwise from the first illumination direction DA1 shown in FIG. 4 to the second illumination direction DA2, the third illumination direction DA3, the fourth illumination direction DA4, the fifth illumination direction DA5, the sixth illumination direction DA6, the seventh illumination direction DA7, and the eighth illumination direction DA8. In other words, in the example shown in FIG. 6, the moving image is created such that the position of the illumination device 60 that illuminates the decorative sheet M changes sequentially clockwise from the first position shown in FIG. 4 to the second position, the third position, the fourth position, the fifth position, the sixth position, the seventh position, and the eighth position. With such a moving image, the evaluator can grasp the change in the appearance of the decorative sheet M when the incident direction of light on the decorative sheet M is gradually changed.

[0087] Such acquisition of still images and creation of moving images are performed for each of the decoration sheets M1 to M90. The still images and moving images of each of the decoration sheets M1 to M90 are passed to the storage unit 30 via the network 15 and stored in the storage unit 32 of the storage unit 30. When being stored in the storage unit 32, attribute information representing the attributes of each of the decoration sheets M1 to M90 is attached to the still images and moving images of each of the decoration sheets M1 to M90.

[0088] <Display mode of image> Next, with reference to FIGS. 7 to 10, the display mode of the image in the display device 40 will be described. As described above, based on the signal transmitted from the display device 40 to the storage unit 30, one or a plurality of decoration sheets are selected from among the plurality of decoration sheets M1 to M90 in which images are stored in the storage unit 32 of the storage unit 30. Then, the still image and moving image of the selected decoration sheet M are transmitted to the display device 40 and stored in its storage unit 43. In the example shown in FIG. 1, the still images and moving images of the decoration sheets M1 to M9 are selected in the storage unit 30 and passed to the display device 40.

[0089] FIG. 7 shows a list display screen displayed on the display unit 41 of the display device 40. The list display screen is displayed on the display unit 41 in cooperation with the display program by the processing unit 44 when the operation unit 45 of the display device 40 is operated to start the evaluation of the decoration sheet M. In the list display screen, the still images of the decoration sheet M stored in the storage unit 43 of the display device 40 are displayed in a list. In the example shown in FIG. 7, display areas AS1 to AS9 in which the still images of the decoration sheet M are displayed are shown in the list display screen, and the first still images of the decoration sheets M1 to M9 are respectively displayed in the display areas AS1 to AS9.

[0090] FIG. 9 shows a moving image display screen displayed on the display unit 41 of the display device 40. When an operation unit 45 of the display device 40 is operated and one of a plurality of decoration sheets M displayed on the list display screen shown in FIG. 7 is selected, the processing unit 44 causes the display unit 41 to display it in cooperation with a display program. As shown in FIG. 9, a display area AM for displaying an image of the decoration sheet M is displayed on the moving image display screen. The moving image displayed in the display area AM is a moving image of the decoration sheet M selected on the list display screen and is a moving image stored in the storage unit 43 of the display device 40. In the examples shown in FIGS. 8 and 9, the decoration sheet M2 is selected from among the decoration sheets M1 to M9 listed on the list display screen (see FIG. 8), and the moving image of the decoration sheet M2 is displayed in the display area AM of the moving image display screen (see FIG. 9). The selection of the decoration sheet M is performed, for example, as shown in FIG. 8, by placing the mouse pointer P on any of the still images of the decoration sheets M listed on the list display screen and clicking on the still image.

[0091] As described above, in the illustrated example, the moving image displayed in the display area AM of the moving image display screen is created by combining a plurality of still images that make up the moving image so that the change in the illumination direction of the plurality of still images follows a predetermined rule. And in the illustrated example, the predetermined rule is displayed on the moving image display screen together with the moving image. In the example shown in FIG. 9, the sentence "The illumination direction changes clockwise" is displayed as the predetermined rule. Thereby, an evaluator who observes the moving image displayed in the display area AM can easily grasp the relationship between the change in the incident direction of light on the decoration sheet M and the change in the appearance of the decoration sheet M.

[0092] Also, in the illustrated example, switching means for switching the image displayed in the display area AM is displayed on the moving image display screen. In the illustrated example, first to eighth switching means B1 to B8 are displayed. The switching means B1 to B8 are GUI (Graphical User Interface). Each switching means is a switching button. By operating the switching means B1 to B8 with the operation unit 45 of the display device 40, the image displayed in the display area AM can be switched to any of the still images constituting the moving image of the decoration sheet M selected on the above list display screen. In the illustrated example, when the switching means B1 to B8 are operated using the operation unit 45, a still image corresponding to the operation of the switching means B1 to B8 among the still images constituting the moving image is displayed on the display unit 41.

[0093] In the example shown in FIG. 9, first to eighth switching means B1 to B8 are displayed around the display area AM. The first to eighth switching means B1 to B8 respectively correspond to the first to eighth still images. The first to eighth switching means B1 to B8 are respectively means for switching the image displayed in the display area AM to the first to eighth still images of the decoration sheet M selected on the above list display screen. Therefore, when the first switching means B1 is operated using the operation unit 45, the first still image is displayed in the display area AM. Also, when the second switching means B2 is operated using the operation unit 45, the second still image is displayed in the display area AM. Also, when the third switching means B3 is operated using the operation unit 45, the third still image is displayed in the display area AM. Also, when the fourth switching means B4 is operated using the operation unit 45, the fourth still image is displayed in the display area AM. Also, when the fifth switching means B5 is operated using the operation unit 45, the fifth still image is displayed in the display area AM. Also, when the sixth switching means B6 is operated using the operation unit 45, the sixth still image is displayed in the display area AM. Also, when the seventh switching means B7 is operated using the operation unit 45, the seventh still image is displayed in the display area AM. Also, when the eighth switching means B8 is operated using the operation unit 45, the eighth still image is displayed in the display area AM.

[0094] In the illustrated example, the positional relationship between the first to eighth switching means B1 to B8 and the display area AM corresponds to the positional relationship between the first to eighth positions where the lighting device 60 is arranged when the first to eighth still images are taken and the decoration sheet M (see FIG. 4). Also, in the illustrated example, the first to eighth switching means B1 to B8 are in the shape of arrows indicating the illumination directions DA1 to DA8 of the corresponding still images. That is, in the illustrated example, the switching means B1 to B8 themselves indicate that they correspond to the still images of the decoration sheet M photographed under the first to eighth illumination directions DA1 to DA8, respectively. In the example shown in FIG. 10, the third switching means B3 is selected, and the third still image photographed under illumination from the third illumination direction DA3 is displayed in the display area AM. By the first to eighth switching means B1 to B8 indicating the illumination directions DA1 to DA8 of the corresponding still images, the evaluator can easily grasp the relationship between the incident direction of light on the decoration sheet M displayed in the display area AM and the appearance of the decoration sheet M. Note that the display indicating that the first to eighth switching means B1 to B8 correspond to the still images of the decoration sheet M photographed under the first to eighth illumination directions DA1 to DA8, respectively, may be a display separate from the switching means B1 to B8.

[0095] The selection of the switching means B1 to B8 is performed, for example, as shown in FIG. 10, by placing the mouse pointer P on any one of the switching means B1 to B8 displayed on the moving image display screen and clicking on the switching means.

[0096] Here, the still images and moving images of the decorative sheet M displayed on the list display screen and the moving image display screen are still images obtained by photographing the actual decorative sheet M or moving images composed of the still images. By using such still images and / or moving images, the decorative sheet M can be evaluated in the same way as when directly observing the actual decorative sheet M. In addition, the moving images used for evaluating the decorative sheet M are created by combining a plurality of still images. Thereby, it is easy to unify the creation conditions of those moving images among a plurality of decorative sheets M. Specifically, the shooting conditions (the positions of the imaging device 50 and the lighting device 60 with respect to the decorative sheet M) when the first to eighth still images constituting the moving image of a certain decorative sheet M (for example, decorative sheet M1) are photographed are made to match the shooting conditions when the first to eighth still images constituting the moving image of another decorative sheet M (for example, decorative sheet M2) are photographed. By using the moving images with unified creation conditions, a plurality of decorative sheets M can be appropriately compared.

[0097] <Evaluation method> Next, with reference to FIG. 11, the operation of the first embodiment will be described. Specifically, an evaluation method of the decorative sheet M using the above-described evaluation system 10 will be described.

[0098] First, a still image of the decorative sheet M is acquired (step S1 in FIG. 11). Specifically, a plurality of still images are acquired by illuminating and photographing the decorative sheet M in a plurality of different illumination directions using the imaging device 50. In the example shown in FIGS. 3 to 4, the first to eighth still images are acquired by illuminating and photographing the decorative sheet M in the first to eighth different illumination directions DA1 to DA8. The acquired still images are stored in the storage unit 23 of the image generation device 20.

[0099] Next, a plurality of still images are combined to create a moving image (step S2 in FIG. 11). The plurality of still images are combined such that the illumination direction of the decoration sheet M when each still image is taken changes according to a predetermined rule. In the example shown in FIG. 6, the moving image of the decoration sheet M is created by combining the first to eighth still images such that the illumination direction sequentially changes when the first to eighth still images of the decoration sheet M are taken.

[0100] The still images and the moving image of the decoration sheet M are passed to the storage unit 30 and stored in its storage unit 32. At this time, the attribute information representing the attribute of the decoration sheet M is also passed to the storage unit 30. The still images and the moving image of the decoration sheet M passed to the storage unit 30 are classified and stored in the storage unit 32 according to the attribute of the decoration sheet M. In the example shown in FIG. 2, the decoration sheets M1 to M9 are classified into the group of "concept A", and the decoration sheets M81 to M90 are classified into the group of "concept J".

[0101] Next, the evaluator starts evaluating the decoration sheet (step S3 in FIG. 11). Specifically, the operation unit 45 of the display device 40 is operated, and a signal requesting a display program is transmitted from the display device 40 to the storage unit 30. Thereby, the display device 40 acquires the display program from the storage unit 30. The acquired display program is stored in the storage unit 43 of the display device 40. The display program causes the display device 40 to execute various processes for displaying an image of the decoration sheet M on the display unit 41 in the above-described display mode in cooperation with the processing unit 44 of the display device 40.

[0102] Also, the operation unit 45 of the display device 40 is operated, and a desired condition regarding the decoration sheet (for example, the concept of the article to which the decoration sheet is attached) is input to the display device 40. Thereby, a signal indicating the above condition is transmitted from the display device 40 to the storage unit 30. In the example shown in FIG. 2, the condition of "concept A" is input to the display device 40, and a signal indicating "concept A" is transmitted from the display device 40 to the storage unit 30.

[0103] When the above signal is transmitted to the storage unit 30, the display device 40 receives an image of the decoration sheet M corresponding to the condition indicated by the signal from the storage unit 30 (step S4 in FIG. 11). Specifically, when a signal is input from the display device 40 to the storage unit 30, the processing unit 33 of the storage unit 30 selects one or more decoration sheets M corresponding to the condition indicated by the signal from among the plurality of decoration sheets M in which images are stored in the storage unit 32. The still images and moving images of the selected decoration sheet M are transmitted to the display device 40 by the communication unit 31. In this way, still images and moving images are provided from the image provider to the evaluator. In the example shown in FIG. 2, the first to eighth still images and moving images of the decoration sheets M1 to M9 classified as "Concept A" are transmitted to the display device 40. The image received by the display device 40 from the storage unit 30 is stored in the storage unit 43 of the display device 40.

[0104] Next, when the operation unit 45 of the display device 40 is operated, the processing unit 44, in cooperation with the display program, causes the display unit 41 to display a list display screen (step S5 in FIG. 11). The still images of the respective decoration sheets M stored in the storage unit 43 of the display device 40 are displayed on the list display screen. In the example shown in FIG. 7, the first still images of the decoration sheets M1 to M9 are respectively displayed in the display areas AS1 to AS9 of the list display screen.

[0105] Next, when the operation unit 45 of the display device 40 is operated and one decoration sheet M is selected from the plurality of decoration sheets M displayed on the list display screen (step S6 in FIG. 11), the processing unit 44, in cooperation with the display program, causes the display unit 41 to display a moving image display screen (step S7 in FIG. 11). The moving image display screen includes a display area AM and switching means B1 to B8. In the display area AM, a moving image of the decoration sheet M selected on the list display screen is displayed. The evaluator evaluates the selected decoration sheet M by viewing the moving image in the display area AM. The moving image in the display area AM shows the change in the appearance of the decoration sheet M due to the change in the illumination direction of the decoration sheet M selected on the list display screen (the change in the incident direction of light on the decoration sheet M). In the examples shown in FIGS. 8 and 9, the decoration sheet M2 is selected from the decoration sheets M1 to M9 displayed on the list display screen (see FIG. 8), and the moving image of the decoration sheet M2 is displayed in the display area AM of the moving image display screen (see FIG. 9). As shown in FIG. 6, the moving image continuously displays the first to eighth still images of the decoration sheet M in this order. Thereby, the evaluator can grasp the change in the appearance of the decoration sheet M as the illumination direction of the decoration sheet M changes in the order of the first to eighth illumination directions DA1 to DA8.

[0106] In step S7, when the operation unit 45 is operated to select any one of the switching means B1 to B8 displayed on the moving image display screen, the processing unit 44, in cooperation with the display program, causes the display unit 41 to display, in the display area AM, the still image corresponding to the switching means among the still images constituting the moving image of the decoration sheet M selected on the list display screen. For example, when the first switching means B1 is operated by the operation unit 45, the display program causes the display device 40 to execute a process of displaying the first still image in the display area AM. Also, when the second switching means B2 is operated by the operation unit 45, the display program causes the display device 40 to execute a process of displaying the second still image in the display area AM. Thereby, the evaluator can evaluate the decoration sheet M by viewing not only the moving image but also the still images constituting the moving image. In the example shown in FIG. 10, the third switching means B3 among the first to eighth switching means B1 to B8 displayed on the moving image display screen is selected, and the third still image of the decoration sheet M2 selected on the list display screen is displayed in the display area AM.

[0107] When evaluating other decorative sheets displayed on the list display screen (YES in step S8 of FIG. 11), the process returns to step S5 to cause the display unit 41 to display the list display screen. In the example shown in FIG. 9, when the operation unit 45 is operated to press the return button BR displayed at the upper left of the moving image display screen, the processing unit 44 collaborates with the display program to cause the display unit 41 to display the list display screen.

[0108] When not evaluating other decorative sheets M in step S8 (NO in step S8 of FIG. 11), the evaluation of the decorative sheet is terminated. Specifically, the operation unit 45 of the display device 40 is operated to transmit a signal to that effect to the storage unit 30. At this time, the evaluation result of the decorative sheet M may be transmitted to the image generation device 20 or the storage unit 30. Thereby, the image provider can obtain the evaluation result of the decorative sheet M. Further, the image provider can grasp the decorative sheet M desired by the evaluator.

[0109] <Method for manufacturing a decorative sheet> Next, a method for manufacturing a decorative sheet based on the evaluation result by the evaluator will be described.

[0110] First, the manufacturer of the decorative sheet receives the evaluation results of the decorative sheet M from the evaluator. Based on the above evaluation results from the evaluator, the manufacturer of the decorative sheet produces the decorative sheet M or a new decorative sheet M' different from the decorative sheet M. That is, when the above evaluation results of the decorative sheet M do not require the modification of the decorative sheet M (that is, when the evaluator is satisfied with the decorative sheet M), the manufacturer produces the decorative sheet M. On the other hand, when the above evaluation results of the decorative sheet M require the modification of the decorative sheet M, the manufacturer produces a new decorative sheet M' based on the decorative sheet M and the above evaluation results. For example, the manufacturer produces a new decorative sheet M' by changing the concavo-convex structure U of the decorative sheet M based on the above evaluation results. In other words, the new decorative sheet M' has a new concavo-convex structure U' obtained by changing the concavo-convex structure U of the decorative sheet M based on the above evaluation results on its surface or inside. Alternatively, the manufacturer produces a new decorative sheet M' by changing the design layer 2 of the decorative sheet M based on the above evaluation results. In other words, the new decorative sheet M' has a new design layer 2' obtained by changing the design layer 2 of the decorative sheet M based on the above evaluation results. Fig. 1D shows the decorative sheet M shown in Fig. 1A and the new decorative sheet M' produced based on the above evaluation results. In the example shown in Fig. 1D, the new decorative sheet M' has a new concavo-convex structure U' obtained by changing the concavo-convex structures U of the design layer 2 and the surface protection layer 3 of the decorative sheet M based on the above evaluation results on its surface and inside.

[0111] <Variant example> As described above, one embodiment has been described with reference to specific examples, but the above specific examples are not intended to limit one embodiment. The above-described one embodiment can be implemented with various other specific examples, and various omissions, replacements, changes, additions, etc. can be made without departing from the gist thereof.

[0112] For example, in the examples shown in FIGS. 7 to 10, the list display screen and the moving image display screen in the display device 40 are separate display screens, but it is not limited to this. As shown in FIG. 12, the moving image of the decorative sheet M may be displayed on the display device together with the still image of the decorative sheet M. In the display screen shown in FIG. 12, the still images of the decorative sheets M1 to M9 are listed, and the moving image of the decorative sheet M2 selected from the decorative sheets M1 to M9 is displayed.

[0113] Also, in the examples shown in FIGS. 9 and 10, the first to eighth switching means B1 to B8 indicate the first to eighth illumination directions DA1 to DA8, but it is not limited to this. The first to eighth switching means B1 to B8 do not have to indicate the first to eighth illumination directions DA1 to DA8. In this case, as shown in FIG. 13, together with the first to eighth switching means B1 to B8, a display may be made indicating that the first to eighth switching means B1 to B8 respectively correspond to the still images of the decorative sheet M photographed under illumination in the first to eighth illumination directions DA1 to DA8.

[0114] Also, in the examples shown in FIGS. 3 and 4, when photographing the decorative sheet M, the illumination directions DA1 to DA8 when photographing the decorative sheet M are changed by changing the position of the illumination device 60 that illuminates the decorative sheet M, but it is not limited to this. As shown in FIG. 14, the illumination direction of the decorative sheet M by the illumination device 60 when photographing the decorative sheet M may be changed by changing the inclination of the decorative sheet M with respect to the traveling direction of the light from the illumination device 60.

[0115] In the example shown in FIG. 14, the inclination of the mounting table 55 on which the decorative sheet M is placed is changed with respect to the traveling direction of the light from the lighting device 60, thereby changing the inclination of the decorative sheet M with respect to the traveling direction of the light from the lighting device 60. In the example shown in FIG. 14, the decorative sheet M can be arranged at a first position parallel to the X-Y plane, a second position inclined clockwise by α° from the first position about an arbitrary axis parallel to the Y axis, and a third position inclined counterclockwise by -α° from the first position about the above axis. The lighting device 60 and the imaging device 50 are arranged above the decorative sheet M. The lighting device 60 and the imaging device 50 are stationary with respect to the floor surface or the like on which the mounting table 55 is installed. FIGS. 15A to 15C show the lighting directions of the decorative sheet M by the lighting device 60 (the incident directions of the light from the lighting device 60 to the decorative sheet M) when the decorative sheet M is arranged at the first to third positions, respectively.

[0116] As shown in FIG. 15A, when the decorative sheet M is arranged at the first position, the decorative sheet M is illuminated in the first lighting direction DB1 by the lighting device 60. Further, as shown in FIG. 15B, when the decorative sheet M is arranged at the second position, the decorative sheet M is illuminated in a second lighting direction DB2 different from the first lighting direction DB1 by the lighting device 60. Further, as shown in FIG. 15C, when the decorative sheet M is arranged at the third position, the decorative sheet M is illuminated in a third lighting direction DB3 different from the first lighting direction DB1 and the second lighting direction DB2 by the lighting device 60. FIG. 16 shows a first still image taken with the decorative sheet M arranged at the first position shown in FIG. 14, a second still image taken with the decorative sheet M arranged at the second position shown in FIG. 14, and a third still image taken with the decorative sheet M arranged at the third position shown in FIG. 14. FIG. 17 shows a moving image created by combining the first to third still images shown in FIG. 16.

[0117] In the example shown in FIG. 17, the moving image of the decorative sheet M is created by combining the third still image, the first still image, the second still image, the first still image, and the third still image in this order. In other words, in the example shown in FIG. 17, the moving image of the decorative sheet M is combined such that the illumination directions of the decorative sheet M when the first to third still images of the decorative sheet M are taken sequentially change in the order of the third illumination direction DB3, the first illumination direction DB1, the second illumination direction DB2, the first illumination direction DB1, and the third illumination direction DB3. The moving image created in this way can show the difference in the appearance of the decorative sheet M due to the inclination of the decorative sheet M in the same way as when an evaluator observes the decorative sheet M while holding both ends of the decorative sheet M and tilting it left and right.

[0118] Also, in the example shown in FIG. 2, the image generation device 20 and the storage unit 30 are separate bodies, but it is not limited to this. The image generation device 20 and the storage unit 30 may be integrated. In other words, the storage unit 30 may include each functional unit 21 to 25 of the image generation device 20.

[0119] Also, in the example shown in FIG. 2, the image providing system 11 includes the image generation device 20 and the storage unit 30, but it is not limited to this. The image providing system 11 may not include the image generation device 20.

[0120] Also, in the examples shown in FIGS. 1 to 17, a moving image is created by acquiring a plurality of still images obtained by illuminating the decorative sheet M in a plurality of different illumination directions and combining them, but it is not limited to this. As shown in FIGS. 18 and 19, a moving image may be created by acquiring a plurality of still images obtained by photographing the decorative sheet M in a plurality of different photographing directions and combining them. Here, when the decorative sheet M has the uneven structure U inside or on its surface, even if the incident direction of light on the decorative sheet M is constant, the appearance may differ depending on the observation direction of the decorative sheet M. In this regard, a moving image composed of a plurality of still images obtained by photographing the decorative sheet M in a plurality of different photographing directions can represent the difference in the appearance of the decorative sheet M due to the difference in the observation direction of the decorative sheet M.

[0121] Evaluating and selecting a decorative sheet using such a moving image is particularly important when the decorative sheet is attached to interior parts of an automobile. This is for the following reasons. That is, as described above, in many cases, the shape of interior parts of an automobile is not a planar shape but a three-dimensional shape. In other words, the surfaces of the interior parts to which the decorative sheet is attached often include a plurality of regions facing in different directions from each other. In this case, the decorative sheets attached to the plurality of regions of the interior part face different directions from each other with respect to the occupants of the automobile. As a result, the occupants will observe the decorative sheet attached to the interior part from a plurality of different directions from each other. If the decorative sheet glitters depending on the observation direction of the decorative sheet, there is a risk of giving discomfort to the occupants. Therefore, evaluating and selecting a decorative sheet using a moving image that represents the difference in the appearance of the decorative sheet M depending on the difference in the observation direction of the decorative sheet M is particularly important when the decorative sheet is attached to interior parts of an automobile.

[0122] A method for generating an image used for evaluating the decorative sheet M in the examples shown in FIGS. 18 and 19 will be described.

[0123] First, as shown in FIGS. 18 and 19, a plurality of still images are acquired by photographing the decorative sheet M in a plurality of different photographing directions using the imaging device 50. In the illustrated example, the decorative sheet M is flatly arranged on the flat mounting surface of the mounting table 55. The mounting surface is stationary with respect to the floor surface or the like on which the mounting table 55 is installed. The lighting device 60 is arranged above the decorative sheet M and is stationary with respect to the decorative sheet M. Then, the imaging device 50 is used to photograph the decorative sheet M to obtain a still image. At this time, the decorative sheet M is photographed in the first to eighth different photographing directions DC1 to DC8, and the first to eighth still images are acquired. More specifically, as understood from FIGS. 18 and 19, the imaging device 50 is arranged at the first to eighth different positions above the decorative sheet M, and the decorative sheet M is photographed from each position. The first to eighth positions may be determined so as to be at the same height position with respect to the decorative sheet M. Further, as shown in FIG. 19, the first to eighth positions may be determined so as to be positions surrounding the decorative sheet M when viewed in the direction along the normal line N of the decorative sheet M. In the example shown in FIGS. 18 and 19, the lighting direction D60 of the lighting device 60 is the direction along the normal line N of the decorative sheet M. Also, in the example shown in FIGS. 18 and 19, when photographing the first to eighth still images, the decorative sheet M is illuminated with the same brightness. Further, when photographing the first to eighth still images, the decorative sheet M is illuminated with the same light source. In this way, the photographing conditions when photographing the first to eighth still images are made to coincide except for the photographing direction of the decorative sheet M. In the illustrated example, the first to eighth still images are stored in the storage unit 23 of the image generation device 20.

[0124] Here, an image obtained by photographing the decorative sheet M in the first imaging direction DC1 with the imaging device 50 disposed at the first position is referred to as a "first still image". Also, an image obtained by photographing the decorative sheet M in the second imaging direction DC2 with the imaging device 50 disposed at the second position is referred to as a "second still image". Also, an image obtained by photographing the decorative sheet M in the third imaging direction DC3 with the imaging device 50 disposed at the third position is referred to as a "third still image". Also, an image obtained by photographing the decorative sheet M in the fourth imaging direction DC4 with the imaging device 50 disposed at the fourth position is referred to as a "fourth still image". Also, an image obtained by photographing the decorative sheet M in the fifth imaging direction DC5 with the imaging device 50 disposed at the fifth position is referred to as a "fifth still image". Also, an image obtained by photographing the decorative sheet M in the sixth imaging direction DC6 with the imaging device 50 disposed at the sixth position is referred to as a "sixth still image". Also, an image obtained by photographing the decorative sheet M in the seventh imaging direction DC7 with the imaging device 50 disposed at the seventh position is referred to as a "seventh still image". Also, an image obtained by photographing the decorative sheet M in the eighth imaging direction DC8 with the imaging device 50 disposed at the eighth position is referred to as an "eighth still image".

[0125] Next, a moving image is created by combining the obtained plurality of still images. In this way, a moving image used for evaluating the decorative sheet M is acquired.

[0126] In the examples shown in FIGS. 18 and 19, the moving image may be created by combining the plurality of still images according to a predetermined combination rule. For example, the moving image is created by combining the plurality of still images so that the change in the imaging direction of the plurality of still images constituting the moving image follows a predetermined rule. With such a moving image, an evaluator can grasp the relationship between the change in the observation direction of the decorative sheet M and the change in the appearance of the decorative sheet M. In other words, with such a moving image, an evaluator can grasp the difference in the reflected light incident on the evaluator's eyes from the decorative sheet M due to the difference in the observation direction of the decorative sheet M. As a result, it is also possible to grasp whether or not the decorative sheet M flickers depending on the observation direction of the decorative sheet M.

[0127] For example, the moving image is created by combining the first to eighth still images of the decorative sheet M in this order. As a result, a moving image is created in which the first to eighth still images of the decorative sheet M are continuously displayed in this order. Such a moving image can show the change in the appearance of the decorative sheet M as the shooting direction of the decorative sheet M changes in this order to the first to eighth shooting directions DC1 to DC8 (that is, as the observation direction of the decorative sheet M changes in this order to the directions DC1 to DC8).

[0128] In the examples shown in FIGS. 18 and 19, the moving image may be created by combining the first to eighth still images such that the shooting direction of the decorative sheet M when the first to eighth still images are taken changes sequentially. For example, the moving image may be created such that the shooting direction of the decorative sheet M changes sequentially clockwise from the first shooting direction DC1 shown in FIG. 19 to the second shooting direction DC2, the third shooting direction DC3, the fourth shooting direction DC4, the fifth shooting direction DC5, the sixth shooting direction DC6, the seventh shooting direction DC8, and the eighth shooting direction DC8. In other words, the moving image may be created such that the position of the imaging device that shoots the decorative sheet M changes sequentially clockwise from the first position shown in FIG. 19 to the second position, the third position, the fourth position, the fifth position, the sixth position, the seventh position, and the eighth position. With such a moving image, the evaluator can grasp the change in the appearance of the decorative sheet M when the observation direction of the decorative sheet M is gradually changed.

[0129] In the examples shown in FIGS. 18 and 19, when the moving image is created by combining the plurality of still images that make up the moving image such that the change in the shooting direction of the plurality of still images follows a predetermined rule, the predetermined rule may be displayed together with the moving image on the moving image display screen of the display device 40, similar to the example shown in FIG. 9. As the predetermined rule, for example, a sentence such as "The observation direction changes clockwise" may be displayed. Thereby, the evaluator can easily grasp the relationship between the change in the observation direction of the decorative sheet M and the change in the appearance of the decorative sheet.

[0130] Also, in this case, the switching means B1 to B8 displayed on the moving image display screen may indicate the shooting direction when shooting the corresponding still image, similar to the example shown in FIG. 9. With such switching means, the evaluator can easily grasp the relationship between the observation direction of the decorative sheet M displayed in the display area AM and the appearance of the decorative sheet M.

[0131] Alternatively, in this case, similar to the example shown in FIG. 13, on the moving image display screen, together with the switching means B1 to B8, a display may be made indicating that the switching means B1 to B8 respectively correspond to the still images of the decorative sheet M photographed under illumination in the shooting directions DC1 to DC8. Even with such a display, the evaluator can easily grasp the relationship between the observation direction of the decorative sheet M displayed in the display area AM and the appearance of the decorative sheet M.

[0132] Also, in this case, the positional relationship between the first to eighth switching means B1 to B8 and the display area AM may correspond to the positional relationship between the first to eighth positions where the imaging device 50 is arranged when shooting the first to eighth still images and the decorative sheet M (see FIG. 19).

[0133] Note that in the embodiments described above, one moving image is created for one decorative sheet M, but it is not limited to this. A plurality of moving images may be created for one decorative sheet M. For example, a first moving image and a second moving image may be created for one decorative sheet M.

[0134] In this case, the still images constituting the first moving image and the still images constituting the second moving image may be obtained by illuminating and shooting the decorative sheet M with different brightnesses. For example, the still images constituting the first moving image may be obtained by illuminating and shooting the decorative sheet M with a first brightness by the lighting device 60, and the still images constituting the second moving image may be obtained by illuminating and shooting the decorative sheet M with a second brightness different from the first brightness by the lighting device 60.

[0135] Alternatively, the still images constituting the first moving image and the still images constituting the second moving image may be obtained by illuminating the decorative sheet M with different light sources and then photographing it. For example, the still images constituting the first moving image may be obtained by illuminating the decorative sheet M with a first light source and then photographing it, and the still images constituting the second moving image may be obtained by illuminating the decorative sheet M with a second light source different from the first light source and then photographing it. The first light source and the second light source may be, for example, sunlight, a fluorescent lamp, an incandescent lamp, an LED light source, or an organic EL light source.

[0136] In this way, by creating a plurality of moving images for one decorative sheet M, the evaluator can observe the decorative sheet M under different conditions (for example, illuminated with different brightness or light sources). Alternatively, the evaluator can observe the decorative sheet M under desired conditions (for example, illuminated with a desired brightness or light source). For example, consider the case where the first moving image consists of still images of the decorative sheet M illuminated by sunlight, and the second moving image consists of still images of the decorative sheet M illuminated by a fluorescent lamp. In this case, the evaluator can observe the decorative sheet M illuminated by sunlight and the decorative sheet M illuminated by a fluorescent lamp by observing the first moving image and the second moving image. Alternatively, when the decorative sheet M is used outdoors, the evaluator can evaluate the decorative sheet M based on the first moving image, and when the decorative sheet M is used indoors, the evaluator can evaluate the decorative sheet M based on the second moving image.

[0137] When a plurality of moving images are created for one decorative sheet M, a moving image switching means for switching the moving images of the decorative sheet M may be displayed on the moving image display screen shown in FIG. 9. The moving image switching means is a GUI. In this case, when the moving image switching means is operated by the operation unit 45 of the display device 40, the processing unit 44 cooperates with the display program to switch the moving image displayed in the display area AM to another moving image of the decorative sheet M.

[0138] Also, in the embodiments described above, a decorative sheet has been described as an example of the sheet-like member that is displayed and evaluated on the display device 40. However, the present invention is not limited to this. The above-described display method and evaluation method of the material are applicable to other sheet-like members. In particular, a sheet-like member having an uneven structure on its surface or inside may look different depending on the change in the incident direction of light or the observation direction. Therefore, the above-described evaluation method can be preferably applied to such a sheet-like member.

[0139] According to the embodiments described above, the method for creating an evaluation moving image of the sheet-like member M includes a still image acquisition step of acquiring a first still image obtained by illuminating and photographing the sheet-like member M in the first illumination directions DA1 and DB1, and a second still image obtained by illuminating and photographing the sheet-like member M in a second illumination direction DA2 and DB2 different from the first illumination directions DA1 and DB1, and a moving image creation step of combining the first still image and the second still image to create a moving image. The sheet-like member M has an uneven structure U on its surface or inside.

[0140] When the sheet-like member M has an uneven structure U on its surface or inside, the appearance of the sheet-like member M may vary depending on the incident direction of light on the sheet-like member M. In this regard, the moving image created by the above-described method for creating an evaluation moving image of the sheet-like member M can show the change in the appearance of the sheet-like member M accompanying the change in the incident direction of light on the sheet-like member M. Here, this moving image is composed of still images obtained by photographing the actual sheet-like member M. By viewing such a moving image, the sheet-like member M can be evaluated in the same way as directly observing the actual sheet-like member M. Therefore, an evaluator of the sheet-like member M can efficiently evaluate or select the sheet-like member M.

[0141] Further, according to the embodiments described above, in the still image acquisition step, a third still image obtained by illuminating and photographing the sheet-like member M in a third illumination direction DA3, DB3 different from the first illumination directions DA1, DB1 and the second illumination directions DA2, DB2 is further acquired. In the moving image creation step, a moving image is created by combining the first still image, the second still image, and the third still image.

[0142] Further, according to the embodiments described above, a moving image is created by combining the first still image, the second still image, and the third still image such that the illumination directions of the sheet-like member M when the first still image, the second still image, and the third still image are photographed change according to a predetermined rule. With such a moving image, an evaluator can grasp the relationship between the change in the incident direction of light on the sheet-like member M and the change in the appearance of the sheet-like member M.

[0143] Further, according to the embodiments described above, a moving image is created by combining the first still image, the second still image, and the third still image such that the illumination directions of the sheet-like member M when the first still image, the second still image, and the third still image are photographed change sequentially. With such a moving image, an evaluator can grasp the change in the appearance of the sheet-like member M when the incident direction of light on the sheet-like member M is gradually changed.

[0144] Alternatively, according to the embodiments described above, a method for creating an evaluation moving image of a sheet-like member M includes a still image acquisition step of acquiring a first still image obtained by photographing the sheet-like member M in a first photographing direction DC1 and a second still image obtained by photographing the sheet-like member M in a second photographing direction DC2 different from the first photographing direction DC1, and a moving image creation step of combining the first still image and the second still image to create a moving image. The sheet-like member M has an uneven structure U on its surface or inside.

[0145] When the sheet-like member M has the concavo-convex structure U on its surface or inside, the appearance of the sheet-like member M may differ depending on the observation direction of the sheet-like member M. In this regard, the moving image created by the method for creating a moving image for evaluating the sheet-like member M described above can show the change in the appearance of the sheet-like member M accompanying the change in the observation direction of the sheet-like member M. Here, this moving image is composed of still images obtained by photographing the actual sheet-like member M. By viewing such a moving image, the sheet-like member M can be evaluated in the same way as directly observing the actual sheet-like member M. Therefore, the evaluator of the sheet-like member M can efficiently evaluate or select the sheet-like member M.

[0146] Also, according to the embodiment described above, in the still image acquisition step, a third still image obtained by photographing the sheet-like member M in a third photographing direction DC3 different from the first photographing direction DC1 and the second photographing direction DC2 is further acquired. Further, in the moving image creation step, a moving image is created by combining the first still image, the second still image, and the third still image.

[0147] Also, according to the embodiment described above, the moving image is created by combining the first still image, the second still image, and the third still image such that the photographing direction of the sheet-like member M when the first still image, the second still image, and the third still image are taken changes according to a predetermined rule. With such a moving image, the evaluator can grasp the relationship between the change in the observation direction of the sheet-like member M and the change in the appearance of the sheet-like member M.

[0148] Also, according to the embodiment described above, the moving image is created by combining the first still image, the second still image, and the third still image such that the photographing direction of the sheet-like member M when the first still image, the second still image, and the third still image are taken changes sequentially. With such a moving image, the evaluator can grasp the change in the appearance of the sheet-like member M when the observation direction of the sheet-like member M is gradually changed.

[0149] Further, according to the embodiments described above, the display program is a program for causing a display device 40 including a display unit 41 to display an image of a sheet-like member M having an uneven structure U on its surface or inside. The display program causes the display unit 41 to display a moving image created by combining a first still image obtained by illuminating and photographing the sheet-like member M in first illumination directions DA1 and DB1 and a second still image obtained by illuminating and photographing the sheet-like member M in a second illumination direction DA2 and DB2 different from the first illumination directions DA1 and DB1.

[0150] When the sheet-like member M has the uneven structure U on its surface or inside, the appearance of the sheet-like member M may vary depending on the incident direction of light on the sheet-like member M. In this regard, according to the display program described above, a moving image of the sheet-like member M can be displayed on the display unit 41 of the display device 40. By viewing this moving image, it is possible to grasp the change in the appearance of the sheet-like member M accompanying the change in the incident direction of light on the sheet-like member M. Here, the moving image displayed on the display device 40 is composed of still images obtained by photographing the actual sheet-like member M. With such a moving image, the sheet-like member M can be evaluated in the same way as directly observing the actual sheet-like member M. Therefore, an evaluator of the sheet-like member M can efficiently evaluate or select the sheet-like member M.

[0151] Further, according to the embodiments described above, the moving image is created by combining the first still image, the second still image, and a third still image obtained by illuminating and photographing the sheet-like member M in a third illumination direction DA3 and DB3 different from the first illumination directions DA1 and DB1 and the second illumination direction DA2 and DB2.

[0152] Further, according to the embodiments described above, the moving image is created by combining the first still image, the second still image, and the third still image such that the illumination direction of the sheet-like member M when the first still image, the second still image, and the third still image are captured changes according to a predetermined rule. The display program causes the display device 40 to execute a process of displaying the predetermined rule together with the moving image on the display unit 41. Thereby, an evaluator who observes the moving image displayed on the display device 40 can easily grasp the relationship between the change in the light incident direction and the change in the appearance of the sheet-like member M.

[0153] Further, according to the embodiments described above, the moving image is created by combining the first still image, the second still image, and the third still image such that the illumination direction of the sheet-like member M when the first still image, the second still image, and the third still image are captured changes sequentially. With such a moving image, the evaluator can grasp the change in the appearance of the sheet-like member M when the light incident direction on the sheet-like member M is gradually changed.

[0154] Alternatively, according to the embodiments described above, the display program is a program for causing a display device 40 including a display unit 41 to display an image of a sheet-like member M having an uneven structure U on its surface or inside. The display program causes the display device 40 to execute a process of displaying a moving image created by combining a first still image obtained by capturing the sheet-like member M in a first imaging direction DC1 and a second still image obtained by capturing the sheet-like member M in a second imaging direction DC2 different from the first imaging direction DC1 on the display unit 41.

[0155] When the sheet-like member M has the concavo-convex structure U on its surface or inside, the appearance of the sheet-like member M may vary depending on the observation direction of the sheet-like member M. In this regard, according to the above-described display program, a moving image of the sheet-like member M can be displayed on the display unit 41 of the display device 40. By viewing this moving image, it is possible to grasp the change in the appearance of the sheet-like member M accompanying the change in the observation direction of the sheet-like member M. Here, the moving image displayed on the display device 40 is composed of still images obtained by photographing the actual sheet-like member M. With such a moving image, the sheet-like member M can be evaluated in the same way as directly observing the actual sheet-like member M. Therefore, an evaluator of the sheet-like member M can efficiently evaluate or select the sheet-like member M.

[0156] Also, according to the embodiment described above, the moving image is created by combining a first still image, a second still image, and a third still image obtained by photographing in a third photographing direction DC3 different from the first photographing direction DC1 and the second photographing direction DC2.

[0157] Also, according to the embodiment described above, the moving image is created by combining the first still image, the second still image, and the third still image such that the photographing direction of the sheet-like member M when the first still image, the second still image, and the third still image are photographed changes according to a predetermined rule. The display program causes the display device 40 to execute a process of displaying the above-described predetermined rule together with the moving image on the display unit 41. Thereby, an evaluator who observes the moving image displayed on the display device 40 can easily grasp the relationship between the change in the observation direction and the change in the appearance of the sheet-like member M.

[0158] Also, according to the embodiments described above, the moving image is created by combining the first still image, the second still image, and the third still image such that the imaging direction of the sheet-like member M when the first still image, the second still image, and the third still image are taken changes sequentially. With such a moving image, the evaluator can grasp the change in the appearance of the sheet-like member M when the observation direction of the sheet-like member M is gradually changed.

[0159] Also, according to the embodiments described above, the display program causes the display device 40 to execute a process of displaying the still images of the sheet-like members M1 to M9 together with the moving image on the display unit 41. In this case, on the display device 40, there is no switching between the display screen for displaying the still images of the sheet-like members M1 to M9 and the display screen for displaying the moving image. This contributes to facilitating the operation of the display device 40 when evaluating the sheet-like member M.

[0160] Also, according to the embodiments described above, the display device 40 further includes an operation unit 45. The display program causes the display device 40 to execute a process of displaying, on the display unit 41, a display area AM in which the moving image is displayed and switching means B1 to B8 for switching the image displayed in the display area AM to any one of the still images constituting the moving image. Further, when the switching means B1 to B8 are operated by the operation unit 45, the display program causes the display device 40 to execute a process of displaying any one of the still images constituting the moving image in the display area AM. Thereby, the evaluator who evaluates the sheet-like member M can evaluate the sheet-like member M by observing not only the moving image but also the still images constituting the moving image.

[0161] Also, according to the embodiment described above, the display device 40 further includes an operation unit 45. The display program causes the display device 40 to execute a process of displaying, on the display unit 41, a display area AM in which a moving image is displayed, a first switching unit B1 for switching the image displayed in the display area AM to a first still image and indicating a first illumination direction DA1, and a second switching unit B2 for switching the image displayed in the display area AM to a second still image and indicating a second illumination direction DA2. Further, when the first switching unit B1 is operated by the operation unit 45, the display program causes the display device 40 to execute a process of displaying the first still image in the display area AM. Further, when the second switching unit B2 is operated by the operation unit 45, the display program causes the display device 40 to execute a process of displaying the second still image in the display area AM. Thereby, an evaluator who evaluates the sheet-like member M can evaluate the sheet-like member M by observing not only the moving image but also the still images constituting the moving image. Furthermore, by indicating the illumination directions DA1 and DA2 when the switching units B1 and B2 respectively capture the corresponding still images, the evaluator can easily grasp the relationship between the still image displayed in the display area AM and the incident direction of light on the sheet-like member M when the still image was captured. Therefore, the relationship between the incident direction of light on the sheet-like member M and the appearance of the decorative sheet M can be easily grasped.

[0162] Also, according to the embodiment described above, the display device 40 further includes an operation unit 45. The display program causes the display device 40 to execute a process of displaying on the display unit 41 a display area AM where a moving image is displayed, a first switching unit B1 for switching the image displayed in the display area AM to a first still image, a second switching unit B2 for switching the image displayed in the display area AM to a second still image, and a display indicating that the first switching unit B1 and the second switching unit B2 respectively correspond to still images of the sheet-like member M photographed under the first illumination direction DA1 and the second illumination direction DA2. Further, when the first switching unit B1 is operated by the operation unit 45, the display program causes the display device 40 to execute a process of displaying the first still image in the display area AM. Further, when the second switching unit B2 is operated by the operation unit 45, the display program causes the display device 40 to execute a process of displaying the second still image in the display area AM. Thereby, an evaluator who evaluates the sheet-like member M can observe not only the moving image but also the still images constituting the moving image to evaluate the sheet-like member M. Further, by the above display, the evaluator can easily grasp the relationship between the still image displayed in the display area AM and the incident direction of light on the sheet-like member M when the still image was photographed. Therefore, the relationship between the incident direction of light on the sheet-like member M and the appearance of the decorative sheet M can be easily grasped.

[0163] Further, according to the embodiment described above, the display device 40 further includes an operation unit 45. The display program causes the display device 40 to execute a process of displaying on the display unit 41 a display area AM in which a moving image is displayed, a first switching unit B1 for switching the image displayed in the display area AM to a first still image and indicating a first shooting direction DC1, and a second switching unit B2 for switching the image displayed in the display area AM to a second still image and indicating a second shooting direction DC2. Further, when the first switching unit B1 is operated by the operation unit 45, the display program causes the display device 40 to execute a process of displaying the first still image in the display area AM. Further, when the second switching unit B2 is operated by the operation unit 45, the display program causes the display device 40 to execute a process of displaying the second still image in the display area AM. Thereby, an evaluator who evaluates the sheet-like member M can evaluate the sheet-like member M by observing not only the moving image but also the still images constituting the moving image. Further, by indicating the shooting directions DC1 and DC2 when the switching units B1 and B2 respectively capture the corresponding still images, the evaluator can easily grasp the relationship between the still image displayed in the display area AM and the shooting direction of the sheet-like member M when the still image was captured. Therefore, the relationship between the observation direction of the sheet-like member M and the appearance of the decorative sheet M can be easily grasped.

[0164] Also, according to the embodiment described above, the display device 40 further includes an operation unit 45. The display program causes the display device 40 to execute a process of displaying, on the display unit 41, a display area AM in which a moving image is displayed, a first switching means B1 for switching the image displayed in the display area AM to a first still image, a second switching means B2 for switching the image displayed in the display area AM to a second still image, and a display indicating that the first switching means B1 and the second switching means B2 respectively correspond to still images of the sheet-like member M photographed in a first photographing direction DC1 and a second photographing direction DC2. Further, when the first switching means B1 is operated by the operation unit 45, the display program causes the display device 40 to execute a process of displaying the first still image in the display area AM. Further, when the second switching means B2 is operated by the operation unit 45, the display program causes the display device 40 to execute a process of displaying the second still image in the display area AM. Thereby, an evaluator who evaluates the sheet-like member M can observe not only the moving image but also the still images constituting the moving image to evaluate the sheet-like member M. Furthermore, by the above display, the evaluator can easily grasp the relationship between the still image displayed in the display area AM and the photographing direction of the sheet-like member M when the still image was photographed. Therefore, the relationship between the observation direction of the sheet-like member M and the appearance of the decorative sheet M can be easily grasped.

[0165] Also, according to the embodiment described above, the image providing system 11 is a system that provides an image of a sheet-like member M having a concavo-convex structure U on its surface or inside to the display device 40. The image providing system 11 includes a storage unit 32 that stores a moving image created by combining a first still image obtained by illuminating and photographing the sheet-like member M in first illumination directions DA1, DB1 and a second still image obtained by illuminating and photographing the sheet-like member M in second illumination directions DA2, DB2 different from the first illumination directions DA1, DB1. The image providing system 11 also includes a communication unit 31 that transmits the moving image to the display device 40.

[0166] When the sheet-like member M has the concavo-convex structure U on its surface or inside, the appearance of the sheet-like member M may vary depending on the incident direction of light on the sheet-like member M. In this regard, according to the above-described image providing system 11, a moving image of the sheet-like member M can be provided to the display device 40. By viewing this moving image, it is possible to grasp the change in the appearance of the sheet-like member M accompanying the change in the incident direction of light on the sheet-like member M. Here, the moving image provided to the display device 40 is composed of still images obtained by photographing the actual sheet-like member M. With such a moving image, the sheet-like member M can be evaluated in the same manner as directly observing the actual sheet-like member M. Therefore, an evaluator of the sheet-like member M can efficiently evaluate or select the sheet-like member M.

[0167] Alternatively, according to the embodiment described above, the image providing system 11 is a system that provides an image of the sheet-like member M having the concavo-convex structure U on its surface or inside to the display device 40. The image providing system 11 includes a storage unit 32 that stores a moving image created by combining a first still image obtained by photographing the sheet-like member M in a first photographing direction DC1 and a second still image obtained by photographing the sheet-like member M in a second photographing direction DC2 different from the first photographing direction DC1. The image providing system 11 also includes a communication unit 31 that transmits the above moving image to the display device 40.

[0168] When the sheet-like member M has the concavo-convex structure U on its surface or inside, the appearance of the sheet-like member M may vary depending on the observation direction of the sheet-like member M. In this regard, according to the above-described image providing system 11, a moving image of the sheet-like member M can be provided to the display device 40. By viewing this moving image, it is possible to grasp the change in the appearance of the sheet-like member M accompanying the change in the observation direction of the sheet-like member M. Here, the moving image provided to the display device 40 is composed of still images obtained by photographing the actual sheet-like member M. With such a moving image, the sheet-like member M can be evaluated in the same way as directly observing the actual sheet-like member M. Therefore, the evaluator of the sheet-like member M can efficiently evaluate or select the sheet-like member M.

[0169] Also, according to the embodiment described above, the image providing system 11 further includes a processing unit 33 that performs processing based on an input from the display device 40. The storage unit 32 stores a plurality of moving images. The processing unit 33 selects at least one moving image from among the plurality of moving images stored in the storage unit 32 based on an input from the display device 40. The communication unit 31 transmits the moving image selected by the processing unit 33 to the display device 40. For example, the processing unit 33 transmits to the display device 40 a moving image of the sheet-like member M that matches the concept indicated by the signal from the display device 40. Thereby, the evaluator can receive from the image providing system 11 the provision of a moving image of the desired sheet-like member M.

[0170] Further, according to the embodiments described above, the method for manufacturing the sheet-like members M and M' is a method for manufacturing the sheet-like members M and M' based on the evaluation results by the evaluator. The method for manufacturing the sheet-like members M and M' includes a step of providing a moving image created by combining a first still image obtained by illuminating and photographing the sheet-like member M having the uneven structure U on the surface or inside in the first illumination directions DA1 and DB1, and a second still image obtained by illuminating and photographing the sheet-like member M in the second illumination directions DA2 and DB2 different from the first illumination directions DA1 and DB1, to the evaluator. Further, the method for manufacturing the sheet-like members M and M' includes a step of receiving the evaluation results from the evaluator, and a step of manufacturing the sheet-like member M or a new sheet-like member M' based on the evaluation results. The new sheet-like member M' is manufactured based on the sheet-like member M and the above evaluation results.

[0171] When the sheet-like member M has the uneven structure U on its surface or inside, the appearance of the sheet-like member M may vary depending on the incident direction of light on the sheet-like member M. In this regard, according to the method for manufacturing the sheet-like members M and M' described above, a moving image of the sheet-like member M can be provided to the display device 40. Then, the evaluator can grasp the change in the appearance of the sheet-like member M accompanying the change in the incident direction of light on the sheet-like member M by viewing this moving image. Here, the moving image provided to the display device 40 is composed of still images obtained by photographing the actual sheet-like member M. With such a moving image, the sheet-like member M can be evaluated in the same way as directly observing the actual sheet-like member M. Therefore, the evaluator of the sheet-like member M can efficiently evaluate or select the sheet-like member M. In other words, the manufacturer of the sheet-like member can efficiently receive the evaluation result or selection result of the sheet-like member M from the evaluator. Then, the manufacturer can manufacture the sheet-like member M or a new sheet-like member M' based on the evaluation result or selection result of the sheet-like member M. Thereby, the sheet-like member M or M' can be efficiently manufactured.

[0172] Alternatively, according to the embodiments described above, the method for manufacturing the sheet-like members M and M' is a method for manufacturing the sheet-like members M and M' based on the evaluation by an evaluator. The method for manufacturing the sheet-like members M and M' includes a step of providing a moving image created by combining a first still image obtained by photographing a sheet-like member M having an uneven structure U on its surface or inside in a first photographing direction DC1 and a second still image obtained by photographing the sheet-like member M in a second photographing direction DC2 different from the first photographing direction DC1 to an evaluator. Further, the method for manufacturing the sheet-like members M and M' includes a step of receiving an evaluation result from the evaluator and a step of manufacturing the sheet-like member M or a new sheet-like member M' based on the evaluation result. The new sheet-like member M' is manufactured based on the sheet-like member M and the above evaluation result.

[0173] When the sheet-like member M has an uneven structure U on its surface or inside, the appearance of the sheet-like member M may differ depending on the observation direction of the sheet-like member M. In this regard, according to the method for manufacturing the sheet-like members M and M' described above, a moving image of the sheet-like member M can be provided to the display device 40. Then, the evaluator can grasp the change in the appearance of the sheet-like member M accompanying the change in the observation direction of the sheet-like member M by viewing this moving image. Here, the moving image provided to the display device 40 is composed of still images obtained by photographing the actual sheet-like member M. With such a moving image, the sheet-like member M can be evaluated in the same way as directly observing the actual sheet-like member M. Therefore, the evaluator of the sheet-like member M can efficiently evaluate or select the sheet-like member M. In other words, the manufacturer of the sheet-like member can efficiently receive the evaluation result or selection result of the sheet-like member M from the evaluator. And the manufacturer can manufacture the sheet-like member M or a new sheet-like member M' based on the evaluation result or selection result of the sheet-like member M. Thereby, the sheet-like member M or M' can be efficiently manufactured.

[0174] Further, according to the embodiment described above, the new sheet-like member M' has a new concavo-convex structure U' obtained by changing the concavo-convex structure U of the sheet-like member M based on the above evaluation results on its surface or inside. Thereby, the new sheet-like member M' can be efficiently manufactured.

[0175] Alternatively, according to the embodiment described above, the sheet-like member M has a design layer 2. The new sheet-like member M' has a new design layer 2' obtained by changing the design layer 2 of the sheet-like member M based on the above evaluation results. Thereby, the new sheet-like member M' can be efficiently manufactured.

[0176] Although one embodiment has been described above with reference to specific examples, the one embodiment is not limited by the specific examples. The above-described one embodiment can be implemented with various other specific examples, and various omissions, replacements, changes, additions, etc. can be made without departing from the gist thereof.

Explanation of Reference Numerals

[0177] 1: Base material sheet, 2: Design layer, 3: Surface protection layer, 10: Evaluation system, 11: Image providing system, 15: Network, 20: Image generation device, 30: Storage unit, 40: Display device, 50: Imaging device, 55: Mounting table, 60: Lighting device, M: Decorative sheet or material, M1 to M90: Decorative sheets, AS1 to AS9: Display areas, AM: Display area, B1 to B8: Switching means, DA1, DB1: First lighting direction, DA2, DB2: Second lighting direction, DA3, DB3: Third lighting direction, DA4, DB4: Fourth lighting direction, DA5, DB5: Fifth lighting direction, DA6, DB6: Sixth lighting direction, DA7, DB7: Seventh lighting direction, DA8, DB8: Eighth lighting direction, DC1: First shooting direction, DC2: Second shooting direction, DC3: Third shooting direction, DC4: Fourth shooting direction, DC5: Fifth shooting direction, DC6: Sixth shooting direction, DC7: Seventh shooting direction, DC8: Eighth shooting direction

Claims

1. A still image acquisition step of acquiring a first still image obtained by illuminating and photographing a sheet-like member in a first illumination direction, and a second still image obtained by illuminating and photographing the sheet-like member in a second illumination direction different from the first illumination direction; A moving image creation step of combining the first still image and the second still image to create a moving image; comprising; The sheet-like member has an uneven structure on its surface or inside, and a method for creating an evaluation moving image of the sheet-like member.

2. In the still image acquisition step, further acquire a third still image obtained by illuminating and photographing the sheet-like member in a third illumination direction different from the first illumination direction and the second illumination direction; The method for creating an evaluation moving image according to claim 1, wherein in the moving image creation step, the first still image, the second still image, and the third still image are combined to create a moving image.

3. The moving image is created by combining the first still image, the second still image, and the third still image such that the illumination direction of the sheet-like member when the first still image, the second still image, and the third still image are photographed changes according to a predetermined rule. The method for creating an evaluation moving image according to claim 2.

4. The moving image is created by combining the first still image, the second still image, and the third still image such that the illumination direction of the sheet-like member when the first still image, the second still image, and the third still image are photographed changes sequentially. The method for creating an evaluation moving image according to claim 2 or 3.

5. A still image acquisition step of acquiring a first still image obtained by photographing a sheet-like member in a first photographing direction, and a second still image obtained by photographing the sheet-like member in a second photographing direction different from the first photographing direction; A moving image creation step of combining the first still image and the second still image to create a moving image; comprising; The sheet-like member has an uneven structure on its surface or inside, and a method for creating an evaluation moving image of the sheet-like member.

6. In the still image acquisition step, further acquire a third still image obtained by photographing the sheet-like member in a third photographing direction different from the first photographing direction and the second photographing direction; The method for creating an evaluation moving image according to claim 5, wherein in the moving image creation step, the first still image, the second still image, and the third still image are combined to create a moving image.

7. The method for creating an evaluation moving image according to claim 6, wherein the moving image is created by combining the first still image, the second still image, and the third still image such that the imaging direction of the sheet-like member when the first still image, the second still image, and the third still image are taken changes according to a predetermined rule.

8. The method for creating an evaluation moving image according to claim 6, wherein the moving image is created by combining the first still image, the second still image, and the third still image such that the imaging direction of the sheet-like member when the first still image, the second still image, and the third still image are taken changes sequentially.

9. A display program for causing a display device including a display unit to display an image of a sheet-like member having an uneven structure on its surface or inside, wherein the display unit is caused to execute a process of displaying a moving image created by combining a first still image obtained by illuminating and imaging the sheet-like member in a first illumination direction and a second still image obtained by illuminating and imaging the sheet-like member in a second illumination direction different from the first illumination direction.

10. The display program according to claim 9, wherein the moving image is created by combining the first still image, the second still image, and a third still image obtained by illuminating and imaging the sheet-like member in a third illumination direction different from the first illumination direction and the second illumination direction.

11. The moving image is created by combining the first still image, the second still image, and the third still image such that the illumination direction of the sheet-like member when the first still image, the second still image, and the third still image are taken changes according to a predetermined rule, and the display program causes the display device to execute a process of displaying the predetermined rule together with the moving image on the display unit.

12. The moving image is created by combining the first still image, the second still image, and the third still image such that the illumination direction of the sheet-like member when the first still image, the second still image, and the third still image are captured changes sequentially. The display program according to claim 11.

13. A display program for causing a display device including a display unit to display an image of a sheet-like member having an uneven structure on its surface or inside, a process of causing the display device to display a moving image created by combining a first still image obtained by capturing the sheet-like member in a first imaging direction and a second still image obtained by capturing the sheet-like member in a second imaging direction different from the first imaging direction on the display unit. A display program.

14. The moving image is created by combining the first still image, the second still image, and a third still image obtained by capturing the sheet-like member in a third imaging direction different from the first imaging direction and the second imaging direction. The display program according to claim 13.

15. The moving image is created by combining the first still image, the second still image, and the third still image such that the imaging direction of the sheet-like member when the first still image, the second still image, and the third still image are captured changes according to a predetermined rule. The display program causes the display device to execute a process of displaying the predetermined rule together with the moving image on the display unit. The display program according to claim 14.

16. The moving image is created by combining the first still image, the second still image, and the third still image such that the imaging direction of the sheet-like member when the first still image, the second still image, and the third still image are captured changes sequentially. The display program according to claim 14 or 15.

17. The display program causes the display device to execute a process of displaying a still image of the sheet-like member together with the moving image on the display unit. The display program according to any one of claims 9 to 16.

18. The display device further includes an operation unit. The display program is a process of displaying, on the display unit, a display area in which the moving image is displayed and a switching means for switching an image displayed in the display area to any of the still images constituting the moving image. When the switching means is operated by the operation unit, a process of displaying any one of the still images constituting the moving image in the display area is to cause the display device to execute the display program according to any one of claims 9 to 17. **Claim 19** The display device further includes an operation unit, The display program is a process of displaying, on the display unit, a display area where the moving image is displayed, a first switching unit for switching the image displayed in the display area to the first still image, the first switching unit indicating the first illumination direction, and a second switching unit for switching the image displayed in the display area to the second still image, the second switching unit indicating the second illumination direction; a process of displaying the first still image in the display area when the first switching unit is operated by the operation unit; a process of displaying the second still image in the display area when the second switching unit is operated by the operation unit, to cause the display device to execute the display program according to any one of claims 9 to 12. **Claim 20** The display device further includes an operation unit, The display program is a process of displaying, on the display unit, a display area where the moving image is displayed, a first switching unit for switching the image displayed in the display area to the first still image, a second switching unit for switching the image displayed in the display area to the second still image, and a display indicating that the first switching unit and the second switching unit respectively correspond to the still images of the sheet-like member photographed under the first illumination direction and the second illumination direction; a process of displaying the first still image in the display area when the first switching unit is operated by the operation unit; a process of displaying the second still image in the display area when the second switching unit is operated by the operation unit, to cause the display device to execute the display program according to any one of claims 9 to 12. **Claim 21** The display device further includes an operation unit, The display program is a process of displaying, on the display unit, a display area where the moving image is displayed, a first switching unit for switching the image displayed in the display area to the first still image, the first switching unit indicating the first photographing direction, and a second switching unit for switching the image displayed in the display area to the second still image, the second switching unit indicating the second photographing direction; When the first switching means is operated by the operation unit, a process of displaying the first still image in the display area, When the second switching means is operated by the operation unit, a process of displaying the second still image in the display area, The display program according to any one of claims 13 to 16, which causes the display device to execute.

22. The display device further includes an operation unit, The display program is, In the display unit, a display area where the moving image is displayed, a first switching means for switching the image displayed in the display area to the first still image, a second switching means for switching the image displayed in the display area to the second still image, and a display indicating that the first switching means and the second switching means respectively correspond to still images of the sheet-like member taken in the first shooting direction and the second shooting direction, and a process of displaying, When the first switching means is operated by the operation unit, a process of displaying the first still image in the display area, When the second switching means is operated by the operation unit, a process of displaying the second still image in the display area, The display program according to any one of claims 13 to 16, which causes the display device to execute.

23. An image providing system for providing an image of a sheet-like member having an uneven structure on its surface or inside to a display device, A storage unit that stores a moving image created by combining a first still image obtained by illuminating and photographing the sheet-like member in a first illumination direction and a second still image obtained by illuminating and photographing the sheet-like member in a second illumination direction different from the first illumination direction, A communication unit that transmits the moving image to the display device, An image providing system provided with.

24. An image providing system for providing an image of a sheet-like member having an uneven structure on its surface or inside to a display device, A storage unit that stores a moving image created by combining a first still image obtained by photographing the sheet-like member in a first shooting direction and a second still image obtained by photographing the sheet-like member in a second shooting direction different from the first shooting direction, A communication unit that transmits the moving image to the display device, An image providing system provided with.

25. The image providing system further includes a processing unit that performs processing based on an input from the display device, The storage unit stores a plurality of moving images, The processing unit selects at least one moving image from a plurality of moving images stored in the storage unit based on an input from the display device, The communication unit transmits the moving image selected by the processing unit to the display device. The image providing system according to claim 23 or 24. **Claim 26** A method for manufacturing a sheet-like member based on an evaluation result by an evaluator, A step of providing a moving image created by combining a first still image obtained by illuminating and photographing a sheet-like member having an uneven structure on its surface or inside in a first illumination direction and a second still image obtained by illuminating and photographing the sheet-like member in a second illumination direction different from the first illumination direction to the evaluator, A step of receiving an evaluation result from the evaluator, A step of manufacturing the sheet-like member or a new sheet-like member based on the evaluation result, Comprising: The new sheet-like member is manufactured based on the sheet-like member and the evaluation result. A method for manufacturing a sheet-like member. **Claim 27** A method for manufacturing a sheet-like member based on an evaluation by an evaluator, A step of providing a moving image created by combining a first still image obtained by photographing a sheet-like member having an uneven structure on its surface or inside in a first photographing direction and a second still image obtained by photographing the sheet-like member in a second photographing direction different from the first photographing direction to the evaluator, A step of receiving an evaluation result from the evaluator, A step of manufacturing the sheet-like member or a new sheet-like member based on the evaluation result, Comprising: The new sheet-like member is manufactured based on the sheet-like member and the evaluation result. A method for manufacturing a sheet-like member. **Claim 28** The new sheet-like member has a new uneven structure obtained by changing the uneven structure of the sheet-like member based on the evaluation result on its surface or inside. The manufacturing method according to claim 26 or 27. **Claim 29** The sheet-like member has a design layer, The new sheet-like member has a new design layer obtained by changing the design layer of the sheet-like member based on the evaluation result. The manufacturing method according to any one of claims 26 to 28.

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