Image display device and program

Abstract

To provide an image display device which can provide a user with an improved sense of immersion that immerses the user into content of his / her childhood days.SOLUTION: An image display device 1 is provided, comprising: an age setting unit 13 for setting age information regarding the age of a user; a content acquisition unit 15 for acquiring image content to be presented to the user; an age setting unit 17 for setting the age of the acquired image content; a drawing control unit 19 configured to respond to a determination that the age of the image content coincides with childhood days of the user according to the age information by drawing the image content after setting the viewpoint height such that a viewpoint height for displaying the image content is lower than a current value; and a display control unit 21 for presenting the drawn image content to the user.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to an image display device and an image display method. [Background technology]

[0002] Traditionally, a therapy known as reminiscence therapy has been used to prevent or alleviate dementia in the elderly by showing images of past experiences to the subject. The content provided in this type of therapy is effective as long as it is based on the subject's experiences and memories, regardless of whether it is still images, moving images, or drawings in a virtual space.

[0003] For use in such treatment, Patent Document 1 discloses an augmented reality display system for improving dementia. In addition to augmented reality displays, virtual reality displays and normal display devices are also used to improve dementia. Image content provided to such various systems includes past photographs and videos taken by the system user in his / her childhood, or content composed of a virtual space reproduced from them. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2022-132311 A Summary of the Invention [Problem to be solved by the invention]

[0005] However, these image contents are taken or produced from the viewpoint of an adult who is the photographer or producer, even if the content is from the user's childhood. For example, in childhood, especially in infants, people are short and therefore look from a low position, but the image contents are images seen from a high adult viewpoint. Also, in childhood, objects look large because the interpupillary distance is narrow, but the image contents are not taken or produced with the perception of a child. Therefore, there is a problem that even if a user looks at image contents taken or produced from the viewpoint of an adult, the user cannot fully get a sense of immersion by reminiscing about his / her childhood and immersing himself / herself in the content from his / her childhood.

[0006] Therefore, the present invention has been proposed in view of the above-mentioned circumstances, and has an object to provide an image display device that can improve the sense of immersion that a user feels when immersed in content from his / her childhood. [Means for solving the problem]

[0007] The image display device of the present invention comprises an age setting unit which sets age information relating to the user's age, a content acquisition unit which acquires image content to be presented to the user, an age setting unit which sets the age of the image content acquired by the content acquisition unit, a drawing control unit which, when it is determined based on the age information that the age of the image content is the user's childhood, sets the height of the viewpoint for displaying the image content so that the height of the viewpoint is lower than a current value and draws the image content, and a display control unit which displays the image content drawn by the drawing control unit to the user.

[0008] The image display method of the present invention includes an age setting step of setting age information related to the user's age, a content acquisition step of acquiring image content to be presented to the user, an age setting step of setting the age of the image content acquired in the content acquisition step, a drawing control step of, if it is determined based on the age information that the age of the image content is the user's childhood, drawing the image content by setting the height of the viewpoint for displaying the image content so that the height of the viewpoint is lower than a current value, and a display control step of displaying the image content drawn in the drawing control step to the user. Effect of the Invention

[0009] According to the image display device of the present invention, it is possible to improve the sense of immersion that allows the user to immerse himself in the content from his childhood. [Brief description of the drawings]

[0010] [Figure 1] FIG. 1 is a block diagram showing the configuration of an image display device according to the first embodiment. [Diagram 2] FIG. 2 is a diagram showing an example of image content displayed by the image display device according to the first embodiment. [Diagram 3] FIG. 3 is a conceptual diagram assuming that the image content displayed by the image display device according to the first embodiment is viewed from the side. [Figure 4] FIG. 4 is a conceptual diagram for explaining a method for setting the height of the viewpoint by the image display device according to the first embodiment to be lower than the current value. [Diagram 5] FIG. 5 is a diagram showing an example of image content in which the height of the viewpoint is set lower than the current value by the image display device according to the first embodiment. [Figure 6] FIG. 6 is a conceptual diagram for explaining a method for setting the line of sight in an upward direction in the image display device according to the first embodiment. [Figure 7]FIG. 7 is a flowchart showing the procedure of the image display process performed by the image display device according to the first embodiment. [Figure 8] FIG. 8 is a diagram showing an example of image content displayed by the image display device according to the second embodiment. [Figure 9] FIG. 9 is a diagram for explaining the difference in binocular parallax and visibility between when the interpupillary distance is wide and when it is narrow. [Figure 10] FIG. 10 is a diagram showing an example of image content enlarged by the image display device according to the second embodiment. [Figure 11] FIG. 11 is a diagram showing an example of image content displayed by the image display device according to the second embodiment. [Figure 12] FIG. 12 is a diagram showing an example of image content enlarged by the image display device according to the second embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0011] [First embodiment] A first embodiment of the present invention will be described below with reference to the drawings. In the description of the drawings, the same parts are given the same reference numerals and detailed description will be omitted.

[0012] [Image display device configuration] The configuration of the image display device according to this embodiment will be described with reference to FIG. 1. FIG. 1 is a block diagram showing the configuration of the image display device. As shown in FIG. 1, the image display device 1 includes a controller 3, an input interface (I / F) 5, a storage unit 7, and a display unit 9. The image display device 1 is a device that converts image content into an image of the user's childhood and displays it when it is determined that the image content belongs to the user's childhood. In particular, in this embodiment, when it is determined that the image content belongs to the user's childhood, the height of the viewpoint for displaying the image content is set so that the height of the viewpoint is lower than the current value, and the image content is displayed. The image display device 1 may be realized by a mobile terminal such as a smartphone, a tablet terminal, or a notebook computer, or may be realized by an information terminal such as a personal computer or a server.

[0013] The controller 3 is an arithmetic processing device constituted by, for example, a microcomputer, a microprocessor, a CPU (Central Processing Unit), and the like. The controller 3 executes programs stored in an internal memory, such as a ROM or RAM (not shown), to realize various functions. The controller 3 may include devices such as an application specific integrated circuit (ASIC) or conventional circuit components arranged to execute the functions described in the embodiment. The controller 3 includes, as examples of realized functions, an input control unit 11, an age setting unit 13, a content acquisition unit 15, an age setting unit 17, a drawing control unit 19, and a display control unit 21, and executes an image display process for displaying image content to a user.

[0014] The input interface 5 is an input means into which information is input by a user's operation, and is a touch panel or keyboard of a smartphone or tablet terminal, a VR (Virtual Reality) controller, etc. The input interface 5 outputs the input operation information to the input control unit 11.

[0015] The storage unit 7 is a storage means for storing information necessary for the image display device 1 to execute image display processing, and is a database or memory. For example, the storage unit 7 stores various image contents, particularly still images and moving images taken when the user was a child, and parts and images constituting a virtual space setting the user's childhood situation. The virtual space may be configured in two dimensions or three dimensions. The storage unit 7 also stores age information of the user and the era of the image contents, and may store user information for identifying the user. The user information may include height data of the user. For example, the height values ​​measured at each age are included in the user information as height data.

[0016] The display unit 9 is a display means for displaying image content and information to a user, and is provided in the image display device 1 or is a separate display device of various types. In addition, when the image content is a virtual image, the display unit 9 may be a VR goggle.

[0017] The input control unit 11 receives information input via the input interface 5 and executes necessary processing. For example, when the user's age is input from the input interface 5, the input control unit 11 receives the information and transmits it to the age setting unit 13. In addition, when the user's ID (identification information) is input, the input control unit 11 identifies the user by checking it against the user information stored in the storage unit 7. When the input interface 5 is a VR controller, the input control unit 11 outputs the input operation information to the drawing control unit 19.

[0018] The age setting unit 13 sets age information related to the user's age. The age information may be the user's current age, or may be information specifying the year of birth, such as the date of birth. When the user inputs information related to age by operating the input interface 5, the age setting unit 13 sets the age information and records it in the storage unit 7. For example, the age setting unit 13 determines that the user was born in 1944 from the date of birth recorded in the age information, and sets the user's age to 80 years old at the time of presenting the image content in 2024.

[0019] The content acquisition unit 15 acquires image content to be presented to the user. When the user inputs an instruction to display image content, the content acquisition unit 15 identifies the user by checking against the user information, and acquires image content related to the user from the storage unit 7. For example, the image content to be presented to the user is content based on the user's past experiences, such as actually taken photographs, moving images, still images and moving images virtually constructed based on the testimony of the user and his / her family, and content constructed in a virtual space.

[0020] The age setting unit 17 sets the age of the image content acquired by the content acquisition unit 15. As a method for setting the age, the user may input the age of the image content by operating the input interface 5, or in the case of a digital image, the shooting date and time recorded in the EXIF ​​(Exchangeable Image File Format) information may be used. In addition, the age of the image content may be set by detecting the age in which the object captured in the image content existed from past images using image analysis and machine learning (or search) using AI (Artificial Intelligence).

[0021] FIG. 2 is an example of image content presented to the user, and is a still image of an actual experience of the user in 1948. That is, it is a photograph of the user taken in 1948. In FIG. 2, an object Ob1, which is a playground equipment, and an object Ob2, which is the user himself, are photographed. However, the user does not have to be photographed in the image content. In the case of a photograph of an actual user like this, when the user inputs the date and time of the photograph from the input interface 5, the era setting unit 17 sets the era of the image content in FIG. 2 to 1948.

[0022] When it is determined based on the age information that the image content is from the user's childhood, the drawing control unit 19 sets the height of the viewpoint for displaying the image content to be lower than the current value and draws the image content. In other words, the drawing control unit 19 draws the image content after changing the display form of the image content acquired by the content acquisition unit 15 or reconfiguring the object positions in the image content.

[0023] The drawing control unit 19 judges whether the image content is from the user's childhood. For example, the drawing control unit 19 obtains the user's date of birth from the age information, determines that the user was born in 1944, and calculates that the user was 4 years old in 1948 when the image content in FIG. 2 was taken.

[0024] Here, "user's childhood" is defined as the age of the user being between 2 and 10 years old. This is because it is considered that those under 2 years old are less likely to remember experiences, and those aged 11 and over have a smaller difference in viewpoint height from adults. Therefore, in the case of FIG. 2, since the image content was taken when the user was 4 years old, the era of the image content is determined to be the user's childhood. However, "user's childhood" does not need to be limited to the ages of 2 to 10 years old, and may be wider or narrower than the ages of 2 to 10 years old.

[0025] The drawing control unit 19 draws the image content by setting the viewpoint height so that the viewpoint height for displaying the image content is lower than the current value. Fig. 3 is a conceptual diagram assuming that the image content of Fig. 2 is viewed from the side (left direction). The image content of Fig. 2 is image content photographed from a viewpoint height H1 as shown in Fig. 3. The viewpoint height H1 in Fig. 3 is the position of the face of an average adult photographer, and is the current value of the viewpoint height when the image content is displayed as is.

[0026] When the image content is a still image or a moving image actually captured as shown in Fig. 2, the drawing control unit 19 performs a viewpoint conversion process to set the viewpoint height so that the height of the viewpoint at which the image content is captured is lower than the current value. For example, as shown in Fig. 4, a viewpoint conversion process is performed to lower the viewpoint height H1 so that the image content is captured at a virtual viewpoint height H2. As a result, the image content shown in Fig. 2 is drawn with the viewpoint height set lower than the current value as shown in Fig. 5.

[0027] The drawing control unit 19 sets the height of the viewpoint based on the age of the user in the era of the image content. For example, since the image content of FIG. 2 was taken when the user was 4 years old, the height of the viewpoint H2 is set to the height of the viewpoint of a typical 4-year-old child based on the average height of 4-year-old children. In addition, if the height of the user at each age is recorded in the user information, the height of the user at the age of 4 may be obtained from the user information and the height of the viewpoint H2 may be set to the height of the user at the age of 4. Note that although the case of a still image has been described here, the viewpoint conversion process is performed in the same manner to set the height of the viewpoint in the case of a moving image. In addition, in conjunction with changing the height of the viewpoint, the AI ​​also performs processes such as moving objects, changing the appearance, and interpolating the background.

[0028] Furthermore, the drawing control unit 19 sets the height of the viewpoint in the same manner when the image content is a virtually constructed virtual image. Specifically, in the case of a virtual image, the height of the viewpoint is set by performing a process of constructing a disguise image so that the height of the viewpoint set in the virtual image is lower than the current value. Note that the virtual image includes still images, moving images, and virtual spaces that are virtually constructed based on the testimony of the user or the user's family, and includes not only two-dimensional images but also three-dimensional images. In addition, not only VR images but also images using AR (Augmented Reality) may be drawn.

[0029] In the above examples of Figs. 2 to 5, the height of the viewpoint is set so that the height of the viewpoint for displaying the entire image content is lower than the current value. However, the drawing control unit 19 may set the height of the viewpoint so that only the height of the viewpoint for displaying the object included in the image content is lower than the current value. That is, the height of the viewpoint for displaying only the object in the image content is set to be lower, not the entire image content. Therefore, the height of the viewpoint for displaying the background of the image content is not set to be lower. Also, the height of the viewpoint for displaying only the object included in the image content and having a size equal to or larger than a predetermined value may be set to be lower than the current value. The object is, for example, a building, a person, an animal, a vehicle, etc., and is particularly an object that exists near the viewpoint of the image content.

[0030] The rendering control unit 19 can also set the line of sight direction so that the line of sight direction for displaying an object is a direction of looking up at the object. As shown in Fig. 6, the rendering control unit 19 performs a viewpoint conversion process to lower the height H1 of the viewpoint to a virtual height H2 of the viewpoint, and then sets the line of sight direction so that the line of sight direction is a direction of looking up at the object. In the case of Fig. 4, the line of sight direction is set to be parallel, whereas in Fig. 6, it is set to be in a direction of looking up, so that the user can be more immersed in the content of his / her childhood.

[0031] The display control unit 21 executes control to display the image content drawn by the drawing control unit 19 to the user. Specifically, the display control unit 21 outputs the image content to the display unit 9, thereby causing the display unit 9 to display the image content converted to lower the height of the viewpoint, as shown in Fig. 5. As a result, the image content converted to lower the height of the viewpoint is presented to the user.

[0032] [Image display processing] Next, a description will be given of image display processing executed by the image display device 1 according to this embodiment.

[0033] 7, in step S101, the input control unit 11 determines whether or not an instruction to display image content has been given from the user. An instruction to display image content from the user indicates, but is not limited to, input of an instruction to display image content from the user via the input interface 5. If it is determined that an instruction to display content has been given (step S101: YES), the process proceeds to step S103, and if it is determined that an instruction to display image content has not been input (step S101: NO), the image display process according to this embodiment is terminated.

[0034] In step S103, the content acquisition unit 15 acquires the image content for which a display instruction was given in step S101 from the storage unit 7. For example, the image content shown in FIG.

[0035] In step S105, the age setting unit 13 judges whether the user's age is set or not. If it is judged that the user's age is set (step S105: YES), the process proceeds to step S107, and if it is judged that the user's age is not set (step S105: NO), the process proceeds to step S113.

[0036] In step S107, the age setting unit 17 judges whether or not it is possible to set the age of the image content acquired in step S105. If it is judged that the age of the image content can be set (step S107: YES), such as when the user has input the age of the image content or when the age of the image content can be set by EXIF ​​information, the age setting unit 17 sets the age of the image content and proceeds to step S109. On the other hand, if it is judged that the age of the image content cannot be set (step S107: NO), the process proceeds to step S113.

[0037] In step S109, the drawing control unit 19 determines whether the era of the image content set in step S107 is the user's childhood based on the user's age information acquired in step S103. For example, if the image content is an image taken when the user was between 2 and 10 years old, the drawing control unit 19 determines that the era of the image content is the user's childhood. If it is determined that the era of the image content is the user's childhood (step S109: YES), the drawing control unit 19 proceeds to step S111, and if it is determined that the era of the image content is not the user's childhood (step S109: NO), the drawing control unit 19 proceeds to step S113.

[0038] In step S111, the drawing control unit 19 executes an image conversion process to convert the image content acquired in step S105 into an image from childhood. Specifically, the drawing control unit 19 sets the height of the viewpoint for displaying the image content so that the height of the viewpoint is lower than the current value. For example, as shown in FIG. 4, the height of the viewpoint is set so that the height of the viewpoint is lowered from H1 to H2, and conversion is performed to the image content as shown in FIG. 5. In addition, the line of sight direction for displaying the object at this time may be set to a direction of looking up as shown in FIG. 6.

[0039] In step S113, display control unit 21 outputs the image content to display unit 9 to start displaying the image content. If the viewpoint height is lowered in step S111, the image content to be displayed is the image content with the viewpoint height lowered, as shown in Fig. 5. On the other hand, if the viewpoint height is not lowered in step S111 (NO in any of steps S103, 107, and 109), the image content is displayed as it was captured, as shown in Fig. 2.

[0040] In step S115, the display control unit 21 determines whether or not an instruction to end the display of the image content has been input from the user via the input interface 5. If it is determined that an instruction to end the display of the image content has not been input (step S115: NO), the image content continues to be displayed, and if it is determined that an instruction to end the display of the image content has been input (step S115: YES), the image display process according to this embodiment is terminated.

[0041] [Effects of the first embodiment] As described above in detail, the image display device 1 according to this embodiment sets age information related to the user's age, acquires image content to be presented to the user, and sets the era of the acquired image content. Then, when it is determined based on the age information that the era of the image content is the user's childhood, the height of the viewpoint for displaying the image content is set so that it is lower than the current value, and the image content is drawn and displayed to the user. This allows the user to view the image content from the viewpoint of the user's childhood, thereby improving the sense of immersion that the user feels when immersed in the content from the user's childhood.

[0042] Furthermore, the image display device 1 according to this embodiment sets the height of the viewpoint based on the age of the user in the era of the image content. This allows the user to view the image content from the same viewpoint height as when the user viewed the image content as a child, allowing the user to become more immersed in the content from his / her childhood.

[0043] Furthermore, the image display device 1 according to this embodiment sets the height of the viewpoint so that only the height of the viewpoint for displaying the object included in the image content is lower than the current value. This allows the user to view only the object, not the entire image content, from the childhood viewpoint, thereby allowing the user to become more immersed in the childhood content.

[0044] Furthermore, the image display device 1 according to this embodiment sets the line of sight for displaying an object to be the direction of looking up at the object, which allows the user to view the image content in the same line of sight as when the user was a child, thereby allowing the user to become more immersed in the content from his / her childhood.

[0045] Furthermore, in the image display device 1 according to the present embodiment, when the image content is a still image or a moving image that has been actually captured, the height of the viewpoint at which the image content is captured is set by performing a viewpoint conversion process so that the height of the viewpoint at which the image content is captured is lower than the current value. Also, when the image content is a virtually constructed virtual image, the height of the viewpoint is set by performing a process of constructing the virtual image so that the height of the viewpoint set in the virtual image is lower than the current value. This allows the user to view still images, moving images, and virtual images that have actually been captured from the viewpoint of the user's childhood, thereby allowing the user to become even more immersed in the content from his or her childhood.

[0046] [Second embodiment] A second embodiment of the present invention will now be described with reference to the drawings. In the description of the drawings, the same parts are given the same reference numerals and the description will be omitted.

[0047] [Image display device configuration] The image display device 1 according to this embodiment differs from the first embodiment in that when it is determined that the image content belongs to the user's childhood, the image content is enlarged and displayed. Therefore, the configuration of the image display device 1 is the same as that of the first embodiment shown in Fig. 1. The differences from the first embodiment will be described below.

[0048] When the enlargement process of the image content is performed based on the difference between the interpupillary distance in childhood and adulthood, the storage unit 7 may store a typical interpupillary distance in childhood and a typical interpupillary distance in adults. Since the interpupillary distance in childhood increases as a person grows, a typical interpupillary distance for each age may be stored.

[0049] The age setting unit 17 sets the age of the image content acquired by the content acquisition unit 15. For example, FIG. 8 is an example of image content presented to the user, which is a still image of the user's actual experience in 1948. In FIG. 8, objects Ob3 and Ob4, which are buildings, are photographed. However, although the user is not photographed in FIG. 8, the user may be photographed in the image content. In this way, in the case of a photograph of the user's actual experience, when the user inputs the photographing date and time from the input interface 5, the age setting unit 17 sets the age of the image content in FIG. 8 to 1948.

[0050] When it is determined based on the age information that the image content is from the user's childhood, the drawing control unit 19 enlarges and draws the image content.

[0051] The drawing control unit 19 judges whether the image content is from the user's childhood. For example, the drawing control unit 19 obtains the user's date of birth from the age information, determines that the user was born in 1944, and calculates that the user was 4 years old in 1948 when the image content in FIG. 8 was taken.

[0052] Here, "user's childhood" is defined as the age of the user being between 2 and 10 years old. This is because it is considered that those under 2 years old are less likely to remember experiences, and the difference between the interpupillary distance of an adult and those over 11 years old is small. Therefore, in the case of FIG. 8, since the image content was taken when the user was 4 years old, the era of the image content is determined to be the user's childhood. However, "user's childhood" does not need to be limited to the ages of 2 to 10 years old, and may be wider or narrower than that.

[0053] The drawing control unit 19 enlarges and draws the image content. At this time, the drawing control unit 19 may enlarge the image by a predetermined magnification, but in particular, the drawing control unit 19 enlarges and draws the image content based on the difference between the interpupillary distance in childhood and the interpupillary distance in adulthood. The interpupillary distance (IPD) is the distance between the pupils of both eyes, and it becomes wider as we grow up. Therefore, since children view their surroundings with a narrow interpupillary distance, objects in the foreground look large and objects in the distance look small.

[0054] The appearance when the interpupillary distance is wide and the appearance when the interpupillary distance is narrow will be compared and explained with reference to Fig. 9. Fig. 9 shows the binocular disparity and the appearance when objects 32A and 33A are viewed at a wide interpupillary distance 31A corresponding to the interpupillary distance of an adult, and when objects 32B and 33B are viewed at a narrow interpupillary distance 31B corresponding to the interpupillary distance of a child.

[0055] As shown in Fig. 9, when the interpupillary distance 31A is wide, the degree to which a near object 32A occludes a distant object 33A is small. On the other hand, when the interpupillary distance 31B is narrow, the degree to which a near object 32B occludes a distant object 33B is large. This is geometrically clear when one looks at the relationship between the straight lines connecting the pupil and the ends of each object, as shown in Fig. 9.

[0056] In this way, in childhood when the interpupillary distance is narrow, the occlusion effect of the object in front is large, so that the object 32B in the foreground appears large and the object 33B in the distance appears small.

[0057] The drawing control unit 19 enlarges and draws the image content so that the user can reminisce about his / her childhood and immerse himself / herself in the content from his / her childhood. For example, the image content in FIG. 8 is enlarged as shown in FIG. 10. At this time, the drawing control unit 19 enlarges the image content based on the difference between the pupillary distance in childhood and the pupillary distance in an adult, for example, the image content is enlarged by a magnification obtained by dividing the pupillary distance in an adult by the pupillary distance in childhood. However, the magnification may be set to a predetermined value taking into consideration other factors such as height.

[0058] In the example of FIG. 10, the entire image content is enlarged, but the drawing control unit 19 may enlarge only the object displayed in the image content. Therefore, the background other than the object displayed in the image content is not enlarged. Furthermore, the drawing control unit 19 may enlarge and draw only the object without changing the distance between the objects. This makes it possible to further emphasize the enlargement of the object since the distance between the objects does not change. In addition, the object is, for example, a building, a person, an animal, a vehicle, etc., and is particularly an object that exists near the viewpoint of the image content.

[0059] Furthermore, the drawing control unit 19 can also draw objects displayed in the image content by enlarging objects displayed in the foreground and reducing objects displayed in the distance. As described in FIG. 9, in childhood, objects in the foreground look large and objects in the distance look small. Therefore, the drawing control unit 19 enlarges objects displayed in the foreground and reduces objects displayed in the distance.

[0060] For example, in the image content shown in Fig. 11, an object Ob5 representing a space is displayed in the foreground, and a building object Ob6 is displayed in the distance. The drawing control unit 19 then enlarges the object Ob5 displayed in the foreground, and reduces the object Ob6 displayed in the distance. As a result, as shown in Fig. 12, the space in the foreground is rendered to feel even larger, allowing the user to become more immersed in the childhood content.

[0061] The display control unit 21 outputs the image content to the display unit 9, thereby causing the display unit 9 to display the image content shown in Fig. 10 or 12. This allows the image content enlarged based on the difference between the interpupillary distance in childhood and the interpupillary distance in adulthood to be presented to the user.

[0062] [Image display processing] In the image display process according to this embodiment, the same process as the image display process according to the first embodiment shown in Fig. 7 is executed. However, in step S111, the drawing control unit 19 enlarges the image content. For example, the image content shown in Fig. 8 is enlarged by a magnification obtained by dividing the interpupillary distance of an adult by the interpupillary distance of a child, and converted into the image content shown in Fig. 10. Then, in step S113, if the image conversion process has been executed in step S111, the display control unit 21 displays the enlarged image content as shown in Figs. 10 and 12.

[0063] [Effects of the second embodiment] As described above in detail, the image display device 1 according to this embodiment acquires image content to be presented to the user by setting age information related to the user's age, and sets the era of the acquired image content. Then, when it is determined based on the age information that the image content is from the user's childhood, the image content is enlarged and drawn, and the drawn image content is displayed to the user. This allows the user to view the image content with the feeling of childhood, thereby improving the sense of immersion that allows the user to be immersed in the content from the user's childhood.

[0064] Furthermore, the image display device 1 according to the present embodiment enlarges and renders the image content based on the difference between the pupillary distance in childhood and the pupillary distance in adulthood, allowing the user to view the image content with the same sensation as when the user viewed the image content as a child, thereby enabling the user to become more immersed in the content from his / her childhood.

[0065] Furthermore, the image display device 1 according to this embodiment enlarges and renders only the objects displayed in the image content, thereby emphasizing the size of the objects, allowing the user to become even more immersed in the childhood content.

[0066] Furthermore, the image display device 1 according to the present embodiment enlarges and renders only the objects without changing the distance between the objects. This allows the size of the objects to be displayed more emphatically, allowing the user to become more immersed in the childhood content.

[0067] Furthermore, the image display device 1 according to this embodiment enlarges objects displayed in the foreground among objects displayed in the image content, and reduces objects displayed in the distance. This makes it possible to display the size of the objects more emphasized, allowing the user to become more immersed in the childhood content.

[0068] The above-described embodiment is merely an example of the present invention, and the present invention is not limited to the above-described embodiment, and various modifications can be made to the design and other aspects of the present invention without departing from the technical concept of the present invention. [Explanation of symbols]

[0069] 1 Image display device 3. Controller 5 Input Interface 7 Memory section 9 Display section 11 Input control section 13 Age Setting Section 15 Content Acquisition Department 17. Age Setting Department 19 Drawing control section 21 Display control unit

Claims

1. an age setting unit that sets age information relating to the age of the user; a content acquisition unit that acquires image content to be presented to the user; an era setting unit that sets an era of the image content acquired by the content acquisition unit; a drawing control unit that, when it is determined based on the age information that the era of the image content is the user's childhood, sets a viewpoint height for displaying the image content so that the height of the viewpoint is lower than a current value and draws the image content; a display control unit that displays the image content drawn by the drawing control unit to the user; An image display device comprising:

2. the drawing control unit sets the height of the viewpoint based on the age of the user in the era of the image content; The image display device according to claim 1 .

3. An age setting unit that sets age information regarding the age of a user; a content acquisition unit that acquires image content to be presented to the user; an era setting unit that sets an era of the image content acquired by the content acquisition unit; a drawing control unit that enlarges and draws the image content when it is determined based on the age information that the image content belongs to the user's childhood; a display control unit that displays the image content drawn by the drawing control unit to the user; An image display device comprising:

4. The drawing control unit enlarges and draws the image content based on the difference between the interpupillary distance in childhood and the interpupillary distance in adulthood. The image display device according to claim 3 .

5. An age setting step of setting age information regarding the age of the user; a content acquisition step of acquiring image content to be presented to the user; an era setting step of setting an era of the acquired image content; a drawing control step of, when it is determined based on the age information that the era of the image content is the user's childhood, drawing the image content by setting a viewpoint height for displaying the image content so that the height of the viewpoint is lower than a current value; a display control step of displaying the rendered image content to the user; A program for causing an image display device to execute the above.

6. An age setting step of setting age information regarding the age of a user; a content acquisition step of acquiring image content to be presented to the user; an era setting step of setting an era of the acquired image content; a drawing control step of enlarging and drawing the image content when it is determined based on the age information that the image content belongs to the user's childhood; a display control step of displaying the rendered image content to the user; A program that causes an image display device to execute the above.

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