Color measurement system, colorimeter, color measurement method, and recording medium

Abstract

The present invention provides a color measurement system, a colorimeter, a color measurement method, and a recording medium that notify when a row that is erroneously selected as a color measurement target. The color measurement system (10) includes: a communication unit (17) that receives a color value of a color to be color-measured by a colorimeter (30) that performs color measurement; and a comparison processing unit (20) that performs a comparison process between the received color value and a color value of a reference color. In addition, the comparison processing unit (20) determines whether a color measurement error has occurred in the row to be color-measured. When the comparison processing unit (20) determines that a color measurement error has occurred, the communication unit (17) sends information on the color measurement error to the colorimeter (30).

Description

Technical Field

[0001] The present invention relates to a color measurement system, a colorimeter, a color measurement method, a program, and the like. Background Art

[0002] Conventionally, a colorimeter for measuring color targets such as color test patterns of a printing apparatus has been known. In Patent Document 1, a method is disclosed in which a user measures a desired row in a color target, determines whether the number of color measurement data matches the number of color targets, and if not, notifies the user of content indicating that the color measurement data is incorrect.

[0003] However, a color measurement system for notifying a user whether a measurement is made on a row of a correct color target has not been proposed. In the method described in Patent Document 1, such a situation has not been considered.

[0004] Patent Document 1: Japanese Unexamined Patent Application Publication No. 2005-061926 Summary of the Invention

[0005] One aspect of the present disclosure relates to a color measurement system including: a communication unit that receives a color value of a color measured by a colorimeter that performs color measurement; and a comparison processing unit that performs a comparison process between the received color value and a color value of a reference color, the comparison processing unit determines whether a color measurement error has occurred in a row to be color-measured, and when the comparison processing unit determines that the color measurement error has occurred, the communication unit transmits information on the color measurement error to the colorimeter.

[0006] In addition, one aspect of the present disclosure relates to a colorimeter including: a comparison processing unit that performs a comparison process between a color value of a color measured by a color measurement unit that performs color measurement and a color value of a reference color; and a display processing unit, the comparison processing unit determines whether a color measurement error has occurred in a row to be color-measured, and when the comparison processing unit determines that the color measurement error has occurred, the display processing unit performs a process of displaying information on the color measurement error.

[0007] In addition, one aspect of the present disclosure relates to a color measurement method in which the following operations are performed: receiving a color value of a color measured by a colorimeter that performs color measurement; performing a comparison process between the received color value and a color value of a reference color; determining whether a color measurement error has occurred in a row to be color-measured; and when it is determined that the color measurement error has occurred, transmitting information on the color measurement error to the colorimeter.

[0008] In addition, one aspect of the present disclosure relates to a recording medium that records a program for causing a color measurement system to perform the following steps: a step of receiving color values of a color to be color-measured by a colorimeter that performs color measurement; a step of performing a comparison process between the received color values and color values of a reference color; a step of determining whether a color measurement error has occurred in a row of the object to be color-measured; and a step of sending information on the color measurement error to the colorimeter when it is determined that the color measurement error has occurred. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 A block diagram for explaining a structural example of a color measurement system.

[0010] Figure 2 A diagram for explaining the flow of processing of a color measurement system.

[0011] Figure 3 A block diagram for explaining another structural example of a color measurement system.

[0012] Figure 4 An example of a screen for explaining the display of a color measurement error.

[0013] Figure 5 A block diagram for explaining a structural example of a colorimeter.

[0014] Figure 6 A diagram for explaining the flow of processing of a colorimeter.

[0015] Figure 7 A diagram for explaining an example of a screen transition during color measurement in a colorimeter.

[0016] Figure 8 Another diagram for explaining an example of a screen transition during color measurement in a colorimeter.

[0017] Figure 9 Another diagram for explaining an example of a screen transition during color measurement in a colorimeter.

[0018] Figure 10 A block diagram for explaining another structural example of a color measurement system.

[0019] Figure 11 A diagram for explaining an example of the appearance of a colorimeter and a terminal device.

[0020] Figure 12 Another diagram for explaining an example of the appearance of a colorimeter.

[0021] Figure 13 A block diagram for explaining a structural example of a color measurement system including a colorimeter and a terminal device.

[0022] Figure 14A diagram for explaining an example of a screen transition of colorimetry in a terminal device.

[0023] Figure 15 Another diagram for explaining an example of a screen transition of colorimetry in a terminal device.

[0024] Figure 16 Another diagram for explaining an example of a screen transition of colorimetry in a terminal device.

[0025] Figure 17 A screen example showing the colorimetry result of colorimetry in a terminal device.

[0026] Figure 18 Another screen example showing the colorimetry result of colorimetry in a terminal device.

[0027] Figure 19 A diagram for explaining a specific example of a color group and a color comparison chart.

[0028] Figure 20 A diagram for explaining a specific example of a first judgment criterion and a second judgment criterion. Detailed implementation mode

[0029] Hereinafter, this implementation mode will be described. In addition, the implementation mode described below is not an implementation mode that unduly limits the content of the present disclosure described in the technical solution. Furthermore, the structures described in this implementation mode are not necessarily all essential structural elements of the present disclosure.

[0030] Figure 1 A block diagram for explaining a structural example of the colorimetry system 10 of this implementation mode. The colorimetry system 10 of this implementation mode includes a communication unit 17 and a processing unit 18. The processing unit 18 includes a comparison processing unit 20. In addition, the colorimetry system 10 can communicate with the colorimeter 30 via the communication unit 17. The colorimetry system 10 can be implemented, for example, by the terminal device 60 described later, or by cloud computing, etc., and it can be implemented in various ways.

[0031] The colorimeter 30 performs colorimetry. Although, for example, in Figure 1 and Figure 3 the illustration is omitted, the colorimeter 30 can be implemented by including Figure 5Color measurement is achieved by the color measurement unit 12. The color measurement unit 12 measures the target color printed on the printing medium or the like and outputs the color value as the color measurement result. The color measurement unit can be implemented by a color measurement sensor or the like. The color measurement sensor can use, for example, a spectroscopic sensor. For example, the color measurement sensor can use a spectroscopic sensor made of MEMS (Micro Electro Mechanical Systems) or the like that can be mass-produced by wafer-level processing. The spectroscopic sensor is, for example, a sensor that detects the reflected spectroscopic spectrum. Specifically, the spectroscopic sensor can be implemented by a light source such as an LED, an optical filter that selects and switches wavelengths by inputting the reflected light on the measurement surface from the light source, and a light receiving device that measures the amount of light of the reflected light passing through the optical filter. The optical filter can use a standard gauge or the like as a wavelength filter that utilizes multiple interference of two opposing reflecting surfaces. By using the spectroscopic sensor to measure the reflected spectroscopic spectrum that measures the amount of light of the reflected light at each wavelength, the color measurement of the target color is achieved. In addition, the color measurement sensor that implements the color measurement unit 12 is not limited to such a spectroscopic sensor, and the color measurement sensor can also be implemented by an image sensor or the like. In addition, the color measurement unit 12 can also adopt a unit that measures not only the reflected light but also the transmitted light.

[0032] The communication unit 17 is a communication interface for wireless or wired communication with an external device such as a colorimeter 30. The communication unit 17 can be implemented by hardware such as a communication ASIC (Application Specific Integrated Circuit) or a communication processor, communication firmware, or the like. For example, the communication unit 17 communicates with an external device through short-range wireless communication such as Bluetooth (registered trademark). Specifically, the communication unit 17 communicates with an external device through wireless communication based on the BLE (Bluetooth Low Energy) standard. Alternatively, the communication unit 17 can communicate with an external device through wireless communication based on other standards such as Wi-Fi (registered trademark) or can perform wired communication based on a standard such as USB. The communication unit 17 of the present embodiment receives the color value of the color measured by the colorimeter 30. That is, although not shown in Figure 1 、 Figure 3 、 Figure 10 The figure is omitted, but the colorimeter 30 can include, for example, the use of Figure 13The communication unit 39 described later realizes a communication connection with the communication unit 17, and the communication unit 17 can receive the above color value. In addition, when the color measurement system 10 is realized by the terminal device 60 described later, the communication unit 17 corresponds to the communication unit 69 described later.

[0033] The processing unit 18 controls each part of the color measurement system 10. The processing unit 18 can be realized by a processor of the processing unit 62 of the terminal device 60, and the detailed content will be described later. The processing unit 18 executes each process of the present embodiment based on the program of the present embodiment. This program is a program for causing a computer to function as each part of the present embodiment. The computer is, for example, a device having an operation unit, a processing unit, a storage unit, and an output unit. For example, the program of the present embodiment is a program for causing a computer to function as the comparison processing unit 20. This program is stored in an information storage medium, for example. That is, the color measurement system 10 of the present embodiment can execute each process of the present embodiment based on the program stored in the information storage medium. The information storage medium as a computer-readable medium is a medium for storing programs, data, etc., and its function can be realized by an optical disc, a hard disk device (HDD), a semiconductor memory, etc.

[0034] The comparison processing unit 20 performs a comparison process between the received color value and the color value of the reference color. For example, the comparison processing unit 20 compares the measured color and the color of the comparison object for the first to nth colors (n is an integer of 2 or more), and determines whether they are the same. The measured color and the color of the comparison object being the same means that the allowable conditions for color identity are satisfied. The allowable conditions can be set to various conditions. For example, the comparison processing unit 20 determines that the measured color and the color of the comparison object are the same when the color difference ΔE between the measured color and the color of the comparison object is less than a given value. In addition, the allowable conditions can be other conditions regarding the color difference ΔE or conditions regarding the ambient light source, and can also be conditions for each color component or conditions for the reflection spectral distribution. In addition, a combination of these conditions can also be the allowable conditions. In addition, the comparison process can be performed either in a spot color measurement mode in which color measurement is performed one by one in point units or in a line color measurement mode in which multiple colors are aggregated in line units when the colors to be color measured are arranged in multiple rows. In the following description, the color measurement realized by the line color measurement mode is sometimes simply referred to as line color measurement. In addition, line color measurement is sometimes also referred to as scanning color measurement. In addition, although n colors are also required as the colors to be compared for performing line color measurement, the set of n colors to be compared is referred to as a color group here.

[0035] In addition, the comparison processing unit 20 determines whether a colorimetry error has occurred in the row of the object to be colorimetrically measured. A colorimetry error refers to an error in which the row indicating that the user has actually performed colorimetry is inconsistent with the row that is the original target of colorimetry. For example, it is assumed that the user has performed colorimetry on the desired row in the object to be colorimetrically measured through colorimetry. The comparison processing unit 20 determines whether the row determined by the user as the original target of colorimetry and the row actually colorimetrically measured by the user are consistent based on the colorimetric results obtained by performing colorimetry on the first to nth colors (n is an integer of 2 or more) included in the row, and based on a predetermined determination criterion. Although the predetermined determination criterion is, for example, the first determination criterion described later using Figure 20 and others, the user can appropriately determine it.

[0036] Figure 2 FIG. is a diagram for explaining the processing flow of the colorimetry system 10 of the present embodiment. The colorimeter 30 performs colorimetry and sends the color value to the communication unit 17 (step S100). More specifically, the communication unit 39 of the colorimeter 30 sends the color value to the communication unit 17 of the colorimetry system 10. The comparison processing unit 20 receives the color value via the communication unit 17 and performs the above-described comparison processing (step S110). Then, after repeatedly performing the comparison processing (step S110) by the amount of the number of colors included in one row, the comparison processing unit 20 determines whether a colorimetry error has occurred (step S120). When it is determined that a colorimetry error has occurred, the comparison processing unit 20 sends the information of the colorimetry error to the colorimeter 30 via the communication unit 17 (step S130). In other words, when the comparison processing unit 20 determines that a colorimetry error has occurred, the communication unit 17 sends the information of the colorimetry error to the colorimeter 30.

[0037] As described above, the color measurement system 10 of the present embodiment includes: a communication unit 17 that receives the color value of the color to be measured by the colorimeter 30 that performs color measurement; and a comparison processing unit 20 that performs comparison processing between the received color value and the color value of the reference color. In addition, the comparison processing unit 20 determines whether a color measurement error has occurred in the row of the object to be color-measured, and when the comparison processing unit 20 determines that a color measurement error has occurred, the communication unit 17 sends the information of the color measurement error to the colorimeter 30. Thus, by including the communication unit 17 and the comparison processing unit 20, the color measurement system 10 of the present embodiment can compare the color value of the color to be measured by the colorimeter 30 with the color value of the reference color. Although the user must confirm the result of the color measurement while determining the positional relationship between the row to be color-measured and the colorimeter 30, there is a situation where the user only focuses on performing the color measurement. Therefore, the later the user realizes that the color measurement has been performed on a row different from the row that was originally the object of the color measurement, the greater the amount of work required for re-color measurement. Regarding this point, by applying the method of the present embodiment, it is possible to notify the user of the situation where the color measurement has been performed on the wrong row from the color measurement system 10 different from the colorimeter 30 at an earlier time. As a result, the amount of work required for re-color measurement can be limited to the minimum, and the user can perform the color measurement smoothly. For example, a predetermined lamp or the like is provided on the colorimeter 30, and in the case of a color measurement error, the user can be notified of the color measurement error by lighting the lamp, or the user can be notified of the color measurement error by emitting a predetermined notification sound from the colorimeter 30. Thus, the user using the colorimeter 30 can recognize the color measurement error at an earlier time.

[0038] In addition, the method of the present embodiment can also be implemented as a color measurement method. That is, the color measurement method of the present embodiment performs the following operations: receiving the color value of the color to be measured by the colorimeter 30 that performs color measurement; performing comparison processing between the received color value and the color value of the reference color; determining whether a color measurement error has occurred in the row of the object to be color-measured; and sending the information of the color measurement error to the colorimeter when it is determined that a color measurement error has occurred. By setting it in this way, the same effect as described above can be obtained.

[0039] In addition, the method of the present embodiment can also be implemented as a program. That is, the program of the present embodiment causes the color measurement system 10 to perform the following steps: a step of receiving the color value of the color to be measured by the colorimeter 30 that performs color measurement; a step of performing comparison processing between the received color value and the color value of the reference color; a step of determining whether a color measurement error has occurred in the row of the object to be color-measured; and a step of sending the information of the color measurement error to the colorimeter 30 when it is determined that a color measurement error has occurred. By setting it in this way, the same effect as described above can be obtained.

[0040] In addition, the color measurement system 10 of the present embodiment is not limited to the above description, and various modifications such as adding other structural elements can be implemented. For example, as shown in the block diagram of Figure 3 , it may also be configured such that the color measurement system 10 further includes a colorimeter 30, and the colorimeter 30 further includes a colorimeter display processing unit 35. In addition, the colorimeter 30 can further include a display unit 38.

[0041] The colorimeter display processing unit 35 performs processing to display information on the color measurement error of the row being measured. Although the colorimeter display processing unit 35 is omitted from the illustration in Figure 3 , for example, it can be included in the Figure 5 processing unit 32 and implemented by the hardware of the processing unit 32. The colorimeter display processing unit 35 displays an image obtained from the information on the color measurement error of the row being measured sent from the communication unit 17 on the display unit 38. In addition, the display unit 38 will be described later using Figure 13 . The image obtained from the information on the color measurement error of the row being measured refers to, for example, an image indicating that a color measurement error has occurred in the row being measured, an image prompting the re - execution of the color measurement of the row being measured, etc. As described above, the color measurement system 10 of the present embodiment includes a colorimeter 30, the colorimeter 30 includes a colorimeter display processing unit 35, and the colorimeter display processing unit 35 performs processing to display information on the color measurement error of the row being measured. By setting it in this way, the information on the color measurement error of the row being measured can be displayed on the display unit 38 of the colorimeter 30. Thus, the user using the colorimeter 30 can understand the error situation of the row being measured via the display unit 38.

[0042] Figure 4 is an example of a screen for the color measurement error of the row being measured to be displayed on the display unit 38. For example, as shown in C1, the colorimeter display processing unit 35 displays information indicating that a color measurement error has occurred in the row being measured on the display unit 38. In addition, as shown in C2, the colorimeter display processing unit 35 displays information indicating the meaning of prompting the re - execution of the color measurement on the display unit 38. In addition, as shown in C3, information indicating in which row of the color comparison chart the color measurement error has occurred is displayed. As using Figure 19As described later, since the color comparison chart usually includes numbers for determining rows, etc., the user can, based on the information shown in C3, know in which row of the color comparison chart the color measurement error occurred. As described above, in the color measurement system 10 of the present embodiment, the colorimeter display processing unit 35 performs the following processing, that is, it performs a display that urges the row of the color measurement object in which the color measurement error occurred to be measured again. For example, if the display that urges the color measurement to be performed again is not carried out, the user may judge that the reason for the error is the poor completion of the printing of the object to be color measured. Regarding this point, by applying the method of the present embodiment, the user can reliably know the situation where the row to be the object of color measurement is erroneously selected.

[0043] In addition, the method of the present embodiment can also be implemented as the colorimeter 30. Figure 5 It is a block diagram for explaining a structural example of the colorimeter 30 for implementing the method of the present embodiment. The colorimeter 30 includes a color measurement unit 12 and a processing unit 32. The processing unit 32 includes a colorimeter comparison processing unit 33 and the above-mentioned colorimeter display processing unit 35. In addition, the colorimeter 30 can include a display unit 38.

[0044] The processing unit 32 performs control processing for each part of the colorimeter 30 and each process of the present embodiment. For example, the processing unit 32 performs control processing for the color measurement unit 12 and a process of obtaining color measurement data from the color measurement unit 12. In addition, the processing unit 32 performs an input process for operation information of a user input through an operation unit (not shown), a read process for reading information from a memory (not shown), and a write process for writing information to the memory. In addition, the processing unit 32 performs a display process for displaying information on the display unit 38, a control process for communication of the communication unit 39, and the like. The processing unit 32 can be implemented by a processor. For example, each process of the present embodiment can be implemented by a processor that operates based on information such as a program and a memory that stores information such as a program. For the processor, for example, the functions of each part can be implemented by separate hardware, or the functions of each part can be implemented by integrated hardware. For example, the processor can include hardware, and the hardware includes at least one of a circuit that processes digital signals and a circuit that processes analog signals. For example, the processor can also be constituted by one or more circuit devices or one or more circuit elements mounted on a circuit board. The processor can also be, for example, a CPU (Central Processing Unit). However, the processor is not limited to the CPU, and various processors such as a GPU (Graphics Processing Unit) or a DSP (Digital Signal Processor) can also be used. In addition, the processor can also be a hardware circuit implemented by an ASIC. In addition, the processor can also include an amplification circuit, a filter circuit, etc. that process analog signals.

[0045] Figure 6 FIG. is a diagram for explaining the flow of processing when the method of the present embodiment is implemented as the colorimeter 30. The color measurement unit 12 of the colorimeter 30 performs color measurement, and the colorimeter comparison processing unit 33 performs a comparison process (step S210) for comparing the color value of the measured color with the color value of a reference color. After the colorimeter comparison processing unit 33 repeatedly performs the comparison process (step S210) in an amount corresponding to the number of colors in one row, the processing unit 32 determines whether a color measurement error has occurred (step S220). Then, when the processing unit 32 determines that a color measurement error has occurred, the colorimeter display processing unit 35 displays the color measurement error (step S230). Specifically, step S230 can be a process of turning on a predetermined lamp as described above, or can be a process of using Figure 4The process of displaying the display content described above on the display unit 38. As described above, the colorimeter 30 of the present embodiment includes a colorimeter comparison processing unit 33 and a colorimeter display processing unit 35. The colorimeter comparison processing unit 33 performs a comparison process between the color value of the color measured by the color measurement unit 12 that performs color measurement and the color value of the reference color. The colorimeter comparison processing unit 33 determines whether a color measurement error has occurred in the row of the color measurement object. When the colorimeter comparison processing unit 33 determines that a color measurement error has occurred, the colorimeter display processing unit 35 performs a process of displaying information on the color measurement error. By setting it in this way, the user can know the occurrence of the color measurement error during the period of performing color measurement using the colorimeter 30. Thus, the user can recognize the occurrence of the color measurement error at an earlier time.

[0046] In addition, although not illustrated in Figure 6 , for example, the colorimeter display processing unit 35 can also perform a process of updating the display content of the display unit 38 after the colorimeter comparison processing unit 33 repeatedly performs the comparison process (step S210) in an amount equal to the number of colors in one row. Thus, the user can grasp the result of the color measurement at an earlier time. Specifically, by the user operating the colorimeter 30, for example, the screen displayed on the display unit 38 is changed as shown in the examples of Figure 7 , Figure 8 , Figure 9 . In the state where the start screen of the color measurement of B1 in Figure 7 is displayed on the display unit 38, when the color measurement button 40 of B2 described later is pressed using Figure 11 , the start indication screen of the color measurement of the first row is displayed as shown in B3. Here, a guide display indicating the operation content of the color measurement is displayed to the user. Then, as shown in B4, when the user operates the color measurement button 40 and performs a sliding operation, the color measurement of the first row is performed, and the result screen of the first row as shown in B5 is displayed. For example, by the user pressing the color measurement button 40 at the starting point of the first row and performing an operation of sliding the colorimeter 30 along the row of the first row as the color measurement object, the color measurement of the first row is performed. In such a case, the user can also press the color measurement button 40 at the starting point of the first row, and after sliding the colorimeter 30, press the color measurement button 40 again at the end point of the first row. Or, the following method can also be adopted, that is, keep pressing the color measurement button 40 and slide the colorimeter 30 starting from the starting point of the first row, and release the pressed finger from the color measurement button 40 at the end point of the first row.

[0047] In the result screen of B5, as shown in B6, the summary colors of the color results of the row color measurement are displayed. Here, the number of colors in the color group of one row becomes 12, and the summary colors of the 12 colors of the color group are displayed. In addition, in the screen shown in B5, the judgment result of the row color measurement of the first row shown in B7, the average color difference AveΔE which is the average value of the color difference ΔE of the color of the first row shown in B8, etc. are displayed. In addition, there is also a case where the average color difference AveΔE is recorded as the average color difference AvgΔE.

[0048] exist Figure 8 , Figure 9 , an example of screen transition is shown when the judgment result of the color difference ΔE after the second line of line color measurement is passed. Figure 8 In the screen of B9, as shown in B10, the judgment result of the color difference ΔE of the second row is displayed as passed. Figure 8 B11, Figure 9 As shown in B12 of FIG. 1 , by pressing the color measurement button 40, the color measurement of the third row is performed. Figure 9 In the screen of B13, as shown in B14, it is displayed that the judgment result of the color difference ΔE of the third row is passed. As a result, in the job result screen of B15, as shown in B16, a mark notifying completion of the job is displayed.

[0049] Although the above is an explanation of an example of displaying information such as color measurement errors on the display unit 38 of the colorimeter 30, the method of this embodiment is not limited to this, and it is also possible to display information such as color measurement errors on a device other than the colorimeter 30. Figure 4 In the above description, the color measurement system 10 related to the display of the color measurement error. That is, the structure example of the color measurement system 10 of this embodiment can also be set as, for example Figure 10 In addition, although the device other than the colorimeter 30 is, for example, the terminal device 60, it may be another external device or the like.

[0050] exist Figure 10 In the structural example, the colorimetric system 10 is set as a system corresponding to the terminal device 60. Figure 10 The terminal device 60 includes a processing unit 62 and a communication unit 69 capable of communicating with the colorimeter 30. The processing unit 62 and the communication unit 69 Figure 1 The processing unit 18 corresponds to the communication unit 69. Figure 1 The processing unit 62 includes a communication unit 17. Figure 1The comparison processing unit 20 and the terminal display processing unit 67 described above. In addition, the color measurement system 10 can include a display unit 68. The terminal display processing unit 67 performs, for example, processing of associating the information of the row of the color measurement object in which the row color measurement error has occurred and displaying the row color measurement error information on the display unit 68. The detailed content will be described Figure 18 later. In addition, regarding the display unit 68, it will be described Figure 13 later. That is, the color measurement system 10 of the present embodiment includes a terminal display processing unit 67 that performs processing of associating the information of the row of the color measurement object in which the row color measurement error has occurred and displaying the row color measurement error information. By setting it in this way, in the terminal device 60 that performs the comparison processing between the color measured and the reference color, the row color measurement error information can be displayed. Thereby, the color measurement error information can be displayed in more detail in the terminal device 60, and the user using the colorimeter 30 can be notified that a row color measurement error has occurred. By configuring Figure 10 such a color measurement system 10, for example, the row color measurement error can be notified to the user by lighting a lamp or outputting an alarm sound in the colorimeter 30, and a use case where more detailed display can be achieved in the display unit 68 of the terminal device 60 can be realized.

[0051] In addition, the method of the present embodiment is not limited to the above, and can also be, for example, a color measurement system 10 including a terminal device 60 and a colorimeter 30, where the terminal device 60 includes a display unit 68 and the colorimeter 30 includes a display unit 38. Figure 11 、 Figure 12 FIG. is an example of the external views of the colorimeter 30 and the terminal device 60 for implementing the color measurement system 10 of the present embodiment. As Figure 11 shown, the colorimeter 30 has, for example, a substantially cubic shape, and a display unit 38, a color measurement button 40, and a cross key 42 are also provided on its upper surface. In addition, a return button 44 and a power button 46 are also provided on the upper surface of the colorimeter 30. On the other hand, as Figure 12As shown, a colorimetric section 12 and a movable shutter 48 are provided on the lower surface of the colorimeter 30. The display section 38 is implemented by, for example, a liquid crystal display or an organic EL display, etc., and displays various information to the user. The colorimetric button 40 is an operating device for the user to instruct the colorimeter 30 to perform colorimetry. For example, by the user pressing the colorimetric button 40, the colorimeter 30 performs colorimetry using the colorimetric section 12. The cross keys 42 are, for example, operating devices for indicating directions such as up, down, left, and right. The return button 44 is a button for performing a return operation also known as a backward operation, and the power button 46 is a button for turning on and off the power of the colorimeter 30. The colorimetric section 12 is a unit implemented by a colorimetric sensor as described above, and for example, its shape in a top view is approximately circular. The movable shutter 48 protects the colorimetric section 12 when the colorimeter 30 is not in use. For example, when the user does not use the colorimeter 30, the user performs an operation of moving the movable shutter 48 toward the colorimetric section 12 to close the movable shutter 48, so that external impacts, etc. are not applied to the colorimetric section 12.

[0052] Figure 11 and Figure 12 The colorimeter 30 shown is shaped such that the user can hold it with one hand and perform colorimetry operations. For example, the user holds the side of the colorimeter 30 with the thumb, middle finger, ring finger, little finger, etc., and presses the colorimetric button 40 with the index finger or performs operations such as indicating directions through the cross keys 42. However, Figure 11 and Figure 12 the colorimeter 30 shown is an example, and the colorimeter 30 may be configured in other shapes.

[0053] The terminal device 60 is a communication terminal capable of communicating and connecting with the colorimeter 30, and is implemented by, for example, a smart phone or a tablet PC (Personal Computer). The terminal device 60 communicates and connects with the colorimeter 30 through wireless communication such as Bluetooth or Wi-Fi (registered trademark). The terminal device 60 has a display section 68, and also has operating devices such as operation buttons. In addition, the display section 68 becomes, for example, a touch panel, and the user performs various operations by touching the display section 68 that is a touch panel.

[0054] Figure 13 is a block diagram showing a structural example of the colorimetry system 10 including the colorimeter 30 and the terminal device 60. In addition, the colorimetry system 10 including the colorimeter 30 and the terminal device 60 is not limited to Figure 13 the structure, and can implement various deformations such as omitting some of its structural elements or adding other structural elements.

[0055] The colorimeter 30 includes a color measurement unit 12, a processing unit 32, an operation unit 34, a storage unit 36, a display unit 38, and a communication unit 39. The processing unit 32 includes a colorimeter display processing unit 35. The color measurement unit 12 is implemented by a color measurement sensor or the like as described above. In addition, since the description of the processing unit 32 is as described in the previous text using Figure 5 it is omitted here. Furthermore, since the communication unit 39 is the same as the Figure 1 communication unit 17, its description is omitted.

[0056] The operation unit 34 is an operation interface for inputting operation information of the user. The operation unit 34 can be implemented by an operation device. If Figure 11 is taken as an example, the operation unit 34 can be implemented by operation devices such as a color measurement button 40, a cross key 42, a return button 44, and a power button 46. However, the operation devices for implementing the operation unit 34 are not limited to these operation devices.

[0057] The storage unit 36 stores various kinds of information. For example, the storage unit 36 stores programs and data. The storage unit 36 functions as a working area for, for example, the processing unit 32 and the communication unit 39. For example, the storage unit 36 as a memory can be a semiconductor memory such as SRAM (Static Random Access Memory) or DRAM (Dynamic Random Access Memory), a register, or a hard disk device, etc. For example, the storage unit 36 as a memory stores commands readable by a computer, and these commands are executed by the processing unit 32 as a processor, thereby implementing the processing of each part of the processing unit 32. The commands here can be either a set of commands constituting a program or commands instructing the hardware circuit of the processor to operate.

[0058] The display unit 38 displays various kinds of information to the user. The display unit 38 can be implemented by various displays such as a liquid crystal display or an organic EL display. The display unit 38 displays, for example, information required for the user to operate the colorimeter 30, various status information of the colorimeter 30, etc.

[0059] The terminal device 60 includes a processing unit 62, an operation unit 64, a storage unit 66, a display unit 68, and a communication unit 69. The processing unit 62 includes the above-mentioned comparison processing unit 20 and a terminal display processing unit 67. In addition, since the communication unit 69 is the same as the Figure 1 communication unit 17, its description is omitted.

[0060] The processing unit 62 performs control processing for each part of the terminal device 60 and each process of the present embodiment. For example, the processing unit 62 performs input processing of the operation information of the user input through the operation unit 64, reading processing of reading information from the storage unit 66, and writing processing of writing information to the storage unit 66. In addition, the processing unit 62 performs display processing of displaying information on the display unit 68, control processing of the communication of the communication unit 69, and the like. The processing unit 62 can be implemented by the above-mentioned processor and the like.

[0061] The operation unit 64 is an operation interface for inputting the operation information of the user. The operation unit 64 can be implemented by an operation device. If Figure 11 is taken as an example, the operation unit 64 can be implemented by an operation device such as a touch panel of the display unit 68 and operation buttons provided on the terminal device 60. However, the operation devices for implementing the operation unit 64 are not limited to these operation devices.

[0062] The storage unit 66 stores various information. For example, the storage unit 66 stores programs and data. The storage unit 66 functions as a working area for the processing unit 62 and the communication unit 69, for example. For example, the storage unit 66 as a memory can be a semiconductor memory such as SRAM or DRAM, a register, or a hard disk device or an optical disc device. For example, the storage unit 66 as a memory stores commands readable by a computer, and these commands are executed by the processing unit 62 as a processor, thereby implementing the processing of each part of the processing unit 62.

[0063] The display unit 68 displays various information to the user. The display unit 68 can be implemented by various displays such as a liquid crystal display or an organic EL display. In addition, the display unit 68 is implemented by a touch panel, for example, and also functions as the operation unit 64. The display unit 68 displays, for example, information required for the user to operate the terminal device 60, various state information of the terminal device 60 and the colorimeter 30, and the like.

[0064] Figure 13 The processing of the color measurement system 10 in Figure 1 is implemented by the processing unit 62 of the terminal device 60. In such a case, the processing unit 62 includes

[0065] In addition, although in the colorimeter 30 described above, the processing unit 32 includes a colorimeter comparison processing unit 33, for example, it can also be like Figure 5 the structural example shown, where the colorimeter 30 does not include a colorimeter comparison processing unit 33, but a color measurement system 10 is formed by including a comparison processing unit 20 in the processing unit 62 of the terminal device 60. By setting it in this way, it is possible to correspond to a predetermined use case. The predetermined use case refers to, for example, a use case where the object to be color-measured is a color chart with a large number of colors and it is difficult to store all the color data of the color chart in the storage unit 36 of the colorimeter 30. By setting it in this way, the comparison processing unit 20 of the terminal device 60 performs comparison processing (step S110), and when a color measurement error occurs, it sends this meaning to the colorimeter 30 (step S130). Thus, it is possible to display Figure 13 the images and the like described above on the display unit 38. Moreover, the user can learn about the color measurement error at an earlier time based on this image. Figure 4

[0066] Next, Figure 14 , Figure 15 , Figure 16 , Figure 17 , Figure 18 will be used to illustrate an example of the group color measurement screen realized by color measurement in the terminal device 60. When the user starts a predetermined application program of the terminal device 60, the processing unit 62 displays Figure 14 the screen shown in D1 on the display unit 68. In the screen of D1, by the user selecting the icons of "Color Measurement", "Comparison", "History", and "Color Sample" shown in A1, for example, it changes to a color measurement result screen, a color comparison screen, a history screen of past measured colors, and a selection screen of a color sample book. In addition, the selection of icons and the like in the display unit 68 is achieved by a touch operation on the display unit 68 which is a touch panel. In the screen of D1, since the user has not yet performed a color measurement operation, as shown in A2, the color measurement result is not displayed. Although when the user wants to perform a color measurement operation, the user will perform an operation of selecting the color measurement button icon shown in A3, it is also possible to press the color measurement button 40 of the colorimeter 30. In addition, as shown in A4, the state information such as the remaining battery level of the colorimeter 30 is displayed on the screen.

[0067] When the user selects the button icon shown in A5, the screen of D1 changes to the screen shown in D2. In the screen of D2, the color groups created by the user are each displayed as bar icons. In addition, the name of the color group, the creation date and time of the color group, and a predetermined thumbnail can also be overlapped and displayed in the bar icons of each color group. By setting it in this way, the user can quickly select a color group.

[0068] Then, when the user selects, for example, the color group composed of the color group name "CL1_PD1" on the screen of D2, the screen of D2 changes to Figure 15 the screen shown in E1. Additionally, the name "CL1_PD1" of the selected color group can also be displayed on the screen of E1. Thus, the user can perform color measurement while knowing which color group it is based on. Then, after the screen of E1 is displayed on the display unit 68, when color measurement is performed, the color measurement of the first row is carried out, and thus the screen shown in E2 is displayed on the display unit 68 as the result of the color measurement. In the screen of E2, as shown in E3, a quadrilateral-shaped first marker for identifying the color of the next row to be color-measured and the summary color of the color of the next row to be color-measured are displayed. In addition, as shown in E4, a triangular arrow marker second marker for identifying the color of the row being color-measured this time and the summary color of the color of the row being color-measured this time are displayed. In addition, as shown in E5, each color of the color being color-measured is also displayed.

[0069] Performing the same operation, when performing color measurement on the third row, Figure 16 the screen shown in E6 of is displayed on the display unit 68. In the screen of E6, as shown in E7, the situation where the color measurement of the color of the last third row has been carried out is shown. In addition, as shown in E8, a display indicating that there is no next color group to be color-measured is carried out. Then, based on a predetermined trigger, the screen of E6 changes to the screen showing the operation result shown in E9. The predetermined trigger refers to, for example, the situation where the user selects a predetermined icon, the situation after a predetermined period of time, etc. In the screen of E9, as shown in E10, the situation where the number of non-passed items is 0 is displayed, and as shown in E11, for example, the average color difference AveΔE for all rows is displayed. In addition, as shown in E12, the color difference ΔE and the summary color for each color of each row are displayed.

[0070] The color measurement results of each row are displayed as a square group. The square group refers to the appearance where square-shaped images bisected by a diagonal line are arranged according to a predetermined rule. The predetermined rule here refers to, for example, the situation where 12 square-shaped images are arranged in three rows vertically and four rows horizontally, etc. And although detailed illustrations are omitted, before color measurement, one of the divided areas is painted based on the reference color, thereby showing the square group. In addition, after color measurement, the other area is filled based on the color measured, thereby showing the square group. For example, since in the screen of E1, the square groups related to the color measurement results of the first row and the second row are both before color measurement, one area is painted with the reference color.

[0071] Similarly, in the screen of E2, since the square group related to the color measurement result of the first row as shown in E4 has been color-measured, one area is smeared based on the reference color, and the other area is smeared and displayed based on the measured color. In addition, since the square groups related to the color measurement results of the second and third rows are all before color measurement, one area is painted with the reference color and displayed. Similarly, in the screen of E6, since the square group related to the color measurement result of the third row is after color measurement, one area is smeared based on the reference color, and the other area is smeared and displayed based on the measured color.

[0072] Here, the reference color included in the row before the row to be the object of the current color measurement is set as the first reference color, and the reference color included in the row after the row to be the object of the current color measurement is set as the second reference color. Then, for example, both the first reference color and the second reference color are displayed in the screen of E2. In addition, for example, in the screen of E1, the first reference color is not displayed, but the second reference color is displayed. Similarly, although not shown in the figure, when the last row is color-measured, the first reference color is displayed, and the second reference color is not displayed. That is, at least one of the first reference color and the second reference color is displayed in the screen of the display unit 68 of the terminal device 60.

[0073] Although Figures 14 to 16 it is an example of a screen and a screen transition example when the number of non-passed pieces is 0, other cases including a predetermined error can also be considered. The situation including a predetermined error means, for example Figure 17 the situation where the row to be color-measured is correct but the color measurement results of their respective colors all include the number of non-passed pieces as shown, and Figure 18 the situation where a color measurement error has occurred because the row to be color-measured is incorrect as shown.

[0074] Regarding Figure 17 the screen of E13, for example, although the row to be color-measured is correct when the user performs color measurement on the third row, as shown in E14, it is shown that there are 4 non-passed colors in the third row. In addition, as shown in E15, for the colors whose color measurement results are non-passed among the respective colors to be color-measured, thumbnails that can enable the user to understand that they are non-passed are displayed. Here, the comparison processing unit 20 determines whether each color to be color-measured is non-passed by whether the first judgment criterion is satisfied. The first judgment criterion means that the color difference ΔE, which is the difference between the received color value and the reference color value, is within a predetermined allowable value. That is, when the color difference ΔE, which is the difference between the received color value and the reference color value, exceeds the predetermined allowable value, the comparison processing unit 20 determines that the color to be color-measured is non-passed. In addition, the predetermined allowable value is, for example, using Figure 20The first allowable color difference P1ΔE described later is a value that can be appropriately set by the user. In addition, the comparison processing unit 20 determines whether the measured row of colors is correct by whether the second judgment criterion is satisfied. The detailed content of the second judgment criterion will be described later using Figure 20 and is a judgment criterion different from the first judgment criterion. That is, Figure 17 The example of the screen shown is an example of the screen when the second judgment criterion is satisfied. As described above, in the color measurement system 10 of the present embodiment, when the comparison processing unit 20 determines that no color measurement error has occurred for the row to be color measured, the terminal display processing unit 67 displays the result of the first judgment criterion for each color included in the row to be color measured. By setting it in this way, the user can more clearly understand that the row for which color measurement has been performed is correct.

[0075] On the other hand, Figure 18 The example of the screen of F1 shows a case where a color measurement error is displayed, for example, when the user wants to perform color measurement on the first row but measures the wrong row. In other words, Figure 18 The example of the screen of F1 is an example of the screen when the above-mentioned second judgment criterion is not satisfied. That is, in the color measurement system 10 of the present embodiment, the comparison processing unit 20 makes a judgment based on the first judgment criterion for each color included in the row to be color measured, and makes a judgment based on a second judgment criterion different from the first judgment criterion for the row to be color measured. When the row to be color measured does not satisfy the second judgment criterion, it is determined that a color measurement error has occurred. By setting it in this way, the user can distinguish between the color measurement error for each color included in the row to be color measured and the color measurement error of the row.

[0076] Specifically, the color measurement error of the row is displayed, for example, by overlapping the color measurement error display 80 on the Figure 15 screen shown in E1 or the like. Since the color measurement error display 80 is not overlapped on the above-mentioned square group, the user can identify the reference color shown in the square group related to the row for which the current color measurement is performed, and the above-mentioned first reference color or second reference color. That is, in the color measurement system 10 of the present embodiment, the terminal display processing unit 67 performs a process of displaying at least one of the first reference color group in the row before the row to be color measured for which a color measurement error has occurred and the second reference color group in the row after the row to be color measured. By setting it in this way, the user can grasp the information of the reference color related to the row when a color measurement error occurs and the rows before and after that row.

[0077] The colorimetric error display 80 for the line includes a display indicating colorimetric failure as shown in, for example, F2. Thus, the user can, for example, understand that a colorimetric error has occurred for the first row of the color comparison chart. In addition, the colorimetric error display 80 for the line includes a display prompting re-execution of colorimetry for the first row as shown in, for example, F3. That is, in the colorimetric system 10 of the present embodiment, the terminal display processing unit 67 performs the following processing: displaying a prompt for re-executing colorimetry for the row of the colorimetric object for which a colorimetric error has occurred. Thus, the user can understand that the row selected as the colorimetric object has been erroneously selected.

[0078] In addition, in the case of a colorimetric error, the terminal display processing unit 67 does not display whether each color has passed or failed as shown in F4. In addition, in the case of a colorimetric error, the terminal display processing unit 67 does not display the average color difference AveΔE as shown in F5. That is, in the colorimetric system 10 of the present embodiment, when the comparison processing unit 20 determines that a colorimetric error has occurred for the row of the colorimetric object, the terminal display processing unit 67 performs processing of not displaying the result of the first judgment criterion for each color included in the row of the colorimetric object. By setting it in this way, the user can more clearly recognize that a colorimetric error has occurred.

[0079] Next, the first judgment criterion and the second judgment criterion will be described in more detail using Figure 19 and Figure 20 as examples. Figure 19 Specific examples of the color group serving as the reference color and specific examples of the color comparison chart Figure 20The color comparison chart is a test pattern in which eight colors arranged side by side horizontally are arranged vertically. The user can identify the rows vertically in the color comparison chart by numbers and can identify the positions of the respective colors horizontally arranged in each row by letters. Specifically, in the first row of the color comparison chart, colors C1A, C1B, C1C, C1D, C1E, C1F, C1G, and C1H are arranged. Similarly, in the second row of the color comparison chart, colors C2A, C2B, C2C, C2D, C2E, C2F, C2G, and C2H are arranged, and in the third row, colors C3A, C3B, C3C, C3D, C3E, C3F, C3G, and C3H are arranged. The comparison processing unit 20 compares the color values of the respective colors in the first row with the color values of the respective colors in the color group serving as the reference color and determines whether the first determination criterion is satisfied. More specifically, the comparison processing unit 20 compares color CSA with color C1A, color CSB with color C1B, color CSC with color C1C, color CSD with color C1D, color CSE with color C1E, color CSF with color C1F, color CSG with color C1G, and color CSH with color C1H.

[0080] Figure 20 For Figure 19 the first row, second row, and third row of the color comparison chart, an example of the color measurement result when color measurement is performed using a color group composed of Figure 19 the reference color. That is, the color measurement result of the second row refers to the color measurement result when the user performs color measurement on the wrong row, that is, the second row. More specifically, it is the color measurement result obtained by the user comparing color CSA with color C2A, color CSB with color C2B, color CSC with color C2C, color CSD with color C2D, color CSE with color C2E, color CSF with color C2F, color CSG with color C2G, and color CSH with color C2H. Similarly, the color measurement result of the third row refers to the color measurement result when the user performs color measurement on the wrong row, that is, the third row. That is, it is the color measurement result obtained by the user comparing color CSA with color C3A, color CSB with color C3B, color CSC with color C3C, color CSD with color C3D, color CSE with color C3E, color CSF with color C3F, color CSG with color C3G, and color CSH with color C3H.

[0081] Here, as the first judgment criterion, the color difference ΔE between the color values of each row of the color measurement object and the color values of the corresponding reference colors is set to be within 3.0 of the first allowable color difference P1ΔE. As the second judgment criterion, the average color difference AveΔE in the row of the color measurement object is set to be within 20.0 of the second allowable color difference P2ΔE. The color differences ΔE between each color of the first row, which is the correct color measurement row, and the corresponding reference colors all satisfy the first judgment criterion. On the other hand, for example, regarding the color differences ΔE between each color of the third row, which is an incorrect color measurement row, and the corresponding reference colors, as Figure 20 shown, the color difference ΔE between the color value of color CSA and the color value of color C3A does not satisfy the first judgment criterion. Similarly, the color difference ΔE between the color value of color CSC and the color value of color C3C, the color difference ΔE between the color value of CSF and the color value of color C3F, and the color difference ΔE between the color value of CSH and the color value of color C3H do not satisfy the first judgment criterion. Moreover, the average color difference AveΔE among each color in the third row is 53.0, which does not satisfy the second judgment criterion. Therefore, the comparison processing unit 20 determines that the user has performed color measurement on the incorrect row. Additionally, the first allowable color difference P1ΔE and the second allowable color difference P2ΔE can be equal, and the user can appropriately change them. Here, the second allowable color difference P2ΔE is set to be higher than the first allowable color difference P1ΔE. When the user makes a mistake in the color measurement row, there are cases where colors with significantly different colors such as colors are compared with each other, and such cases are caused by the value of the color difference ΔE becoming very high. Thus, in the color measurement system 10 of the present embodiment, the comparison processing unit 20 determines that the second judgment criterion is not satisfied and a color measurement error has occurred when the average of the color differences ΔE between each color in the row of the color measurement object and the corresponding reference value exceeds the allowable color difference. By setting it in this way, the judgment criterion for whether a color measurement error has occurred can be clarified. Thereby, the user can distinguish the color measurement results in the case where the color measurement row is correct and the color measurement results in the case where the color measurement row is incorrect.

[0082] In addition, the second judgment criterion can be set such that, for example, the color differences ΔE of all colors in the row of the color measurement object exceed the first allowable color difference P1ΔE. For example, the color differences ΔE between each color of the second row, which is an incorrect color measurement row, and the corresponding reference colors can also be set as Figure 20As shown, since the color difference ΔE of all colors does not satisfy the first judgment criterion, it also does not satisfy the second judgment criterion. The situation where the color difference ΔE of all colors does not satisfy the first judgment criterion is caused by a relatively high possibility of color measurement row error. Thus, in the color measurement system 10 of the present embodiment, when the color difference ΔE between each color in the row of the color measurement object and the corresponding reference value exceeds the allowable color difference, the comparison processing unit 20 determines that the second judgment criterion is not satisfied and a row color measurement error has occurred. By setting it in this way, it is possible to detect a color measurement result with a relatively high possibility of color measurement row error.

[0083] In addition, the example of the second judgment criterion is not limited to the above, and various modifications can be implemented. For example, as the second judgment criterion, in addition to the average of the color difference ΔE, dispersion, etc. can also be considered. In addition, multiple examples of the above second judgment criterion can also be combined.

[0084] As described above, the color measurement system of the present embodiment includes: a communication unit that receives the color value of the color measured by a colorimeter that performs color measurement; a comparison processing unit that performs a comparison process between the received color value and the color value of the reference color. In addition, the comparison processing unit determines whether a row color measurement error has occurred in the row of the color measurement object, and when the comparison processing unit determines that a row color measurement error has occurred, the communication unit sends the information of the row color measurement error to the colorimeter.

[0085] By setting it in this way, it is possible to notify the user of the situation where color measurement has been performed on the wrong row at an earlier time. Thereby, the amount of work required for re-color measurement can be limited to the minimum, and the user can perform color measurement smoothly.

[0086] In addition, it can also be set to include a terminal display processing unit that performs a process of associating with the information of the row of the color measurement object where a row color measurement error has occurred and displaying the information of the row color measurement error.

[0087] By setting it in this way, it is possible to display the information of the row color measurement error in the terminal device that performs a comparison process between the measured color and the reference color.

[0088] In addition, it can also be set that the terminal display processing unit performs the following process, that is, displays a prompt to re-execute color measurement for the row of the color measurement object where a row color measurement error has occurred.

[0089] By setting it in this way, the user can understand the situation where the row selected as the object of color measurement has been wrongly selected.

[0090] In addition, it can also be set such that the terminal display processing unit performs processing to display at least one of the first reference color group in the line immediately preceding the line of the color measurement object for which a color measurement error has occurred and the second reference color group in the line immediately following the line of the color measurement object.

[0091] By setting it in this way, the user can grasp the information of the reference color related to the line where the color measurement error has occurred or the lines before and after it.

[0092] In addition, it can also be set to include a colorimeter, and the colorimeter includes a colorimeter display processing unit, and the colorimeter display processing unit performs processing to display the information of the color measurement error.

[0093] By setting it in this way, the information of the color measurement error can be displayed on the display unit of the colorimeter.

[0094] In addition, it can also be set such that the colorimeter display processing unit performs the following processing, that is, it performs a display to urge the line of the color measurement object for which a color measurement error has occurred to perform color measurement again.

[0095] By setting it in this way, the user can reliably know the situation where the line selected as the object of color measurement has been wrongly selected.

[0096] In addition, it can also be set such that the comparison processing unit makes a judgment based on the first judgment criterion for each color included in the line of the color measurement object, and makes a judgment based on a second judgment criterion different from the first judgment criterion for the line of the color measurement object. When the line of the color measurement object does not meet the second judgment criterion, it is judged that a color measurement error has occurred.

[0097] By setting it in this way, the user can distinguish between the color measurement error for each color included in the line of the color measurement object and the color measurement error.

[0098] In addition, it can also be set such that when the comparison processing unit judges that a color measurement error has occurred for the line of the color measurement object, the terminal display processing unit does not display the result of the first judgment criterion for each color included in the line of the color measurement object.

[0099] By setting it in this way, the user can more clearly understand the situation where a color measurement error has occurred.

[0100] In addition, it can also be set such that when the comparison processing unit judges that no color measurement error has occurred for the line of the color measurement object, the terminal display processing unit displays the result of the first judgment criterion for each color included in the line of the color measurement object.

[0101] By setting it in this way, the user can more clearly understand the situation where the line for which color measurement has been performed is correct.

[0102] In addition, it can also be set that when the color difference between each color in the row of the color measurement object and the corresponding reference value all exceed the allowable color difference, the comparison processing unit determines that the second judgment criterion is not satisfied and a color measurement error in the row has occurred.

[0103] By setting it in this way, it is possible to detect a color measurement result with a relatively high possibility of a color measurement error in the row.

[0104] In addition, it can also be set that when the average of the color differences between each color in the row of the color measurement object and the corresponding reference value exceeds the allowable color difference, the comparison processing unit determines that the second judgment criterion is not satisfied and a color measurement error in the row has occurred.

[0105] By setting it in this way, the judgment criterion for whether a color measurement error in the row has occurred can be clarified.

[0106] In addition, the colorimeter of the present embodiment includes: a comparison processing unit that performs a comparison process between the color value of the color measured by the color measurement unit that performs color measurement and the color value of the reference color; and a display processing unit. The comparison processing unit determines whether a color measurement error in the row has occurred in the color measurement object. When the comparison processing unit determines that a color measurement error in the row has occurred, the display processing unit performs a process of displaying information on the color measurement error in the row.

[0107] If set in this way, the user can learn that a color measurement error in the row has occurred during the period of using the colorimeter to perform color measurement. Thus, the user can recognize the situation of a color measurement error in the row at an earlier time.

[0108] In addition, the color measurement method of the present embodiment performs the following operations, that is: receiving the color value of the color measured by the colorimeter that performs color measurement; performing a comparison process between the received color value and the color value of the reference color; determining whether a color measurement error in the row has occurred in the color measurement object; and when it is determined that a color measurement error in the row has occurred, sending the information on the color measurement error in the row to the colorimeter.

[0109] In addition, the program of the present embodiment causes the terminal device to execute the following steps, that is: a step of receiving the color value of the color measured by the colorimeter that performs color measurement; a step of performing a comparison process between the received color value and the color value of the reference color. In addition, the program of the present embodiment causes the color measurement system to execute the following steps, that is: a step of determining whether a color measurement error in the row has occurred in the color measurement object; a step of sending the information on the color measurement error in the row to the colorimeter when it is determined that a color measurement error in the row has occurred.

[0110] In addition, although the present embodiment has been described in detail as above, various modifications that can implement new matters and effects substantially without departing from the present embodiment are easily understandable to those skilled in the art. Therefore, all such modification examples are included in the scope of the present disclosure. For example, a term that is at least once described together with a broader or synonymous different term in the specification or the drawings can be replaced with that different term anywhere in the specification or the drawings. In addition, all combinations of the present embodiment and the modification examples are also included in the scope of the present disclosure. Further, the structures and operations of the color measurement system, colorimeter, color measurement method, program, etc. are not limited to those described in the present embodiment, and various modifications can be implemented thereto.

[0111] Symbol Explanation

[0112] 10... Color measurement system; 12... Color measurement unit; 17... Communication unit; 18... Processing unit; 20... Comparison processing unit; 30... Colorimeter; 32... Processing unit; 33... Colorimeter comparison processing unit; 34... Operation unit; 35... Colorimeter display processing unit; 36... Storage unit; 38... Display unit; 39... Communication unit; 40... Color measurement button; 42... Cross key; 44... Button; 46... Power button; 48... Movable shutter; 60... Terminal device; 62... Processing unit; 64... Operation unit; 66... Storage unit; 67... Terminal display processing unit; 68... Display unit; 69... Communication unit; 80... Color measurement error display; ΔE... Color difference; AveΔE; AvgΔE... Average color difference; P1ΔE... First allowable color difference; P2ΔE... Second allowable color difference.

Claims

1. A color measurement system, characterized in that, Comprising: A communication unit that receives the color value of the color measured by a colorimeter that performs color measurement; A comparison processing unit that performs comparison processing between the received color value and the color value of a reference color, When the first color difference does not satisfy the first judgment criterion, the comparison processing unit determines that a color measurement error related to the first color measurement value has occurred. The first color difference is the color difference between the color measurement value of the first color included in the row of the color measurement object, that is, the first color measurement value, and the reference value of the first color, that is, the first reference value. Furthermore, when the average of the color differences between each color in the row of the color measurement object and the corresponding reference value exceeds the allowable color difference, the comparison processing unit determines that the second judgment criterion is not satisfied and a row color measurement error indicating an error in the row of the color measurement object has occurred. When the comparison processing unit determines that the row color measurement error has occurred, the communication unit sends the information of the row color measurement error to the colorimeter.

2. The color measurement system according to claim 1, characterized in that It includes a terminal display processing unit that performs processing of associating with the information of the row of the color measurement object in which the row color measurement error has occurred and displaying the information of the row color measurement error.

3. The color measurement system according to claim 2, characterized in that The terminal display processing unit performs the following processing, that is, displaying a prompt to perform color measurement again for the row of the color measurement object in which the row color measurement error has occurred.

4. The color measurement system according to claim 2, characterized in that The terminal display processing unit performs processing of displaying at least one of the first reference color group in the row before the row of the color measurement object in which the row color measurement error has occurred and the second reference color group in the row after the row of the color measurement object.

5. The color measurement system according to any one of claims 1 to 4, characterized in that It includes the colorimeter, The colorimeter includes a colorimeter display processing unit that performs processing of displaying the information of the row color measurement error.

6. The color measurement system according to claim 5, characterized in that The colorimeter display processing unit performs the following processing, that is, displaying a prompt to perform color measurement again for the row of the color measurement object in which the row color measurement error has occurred.

7. The color measurement system according to any one of claims 2 to 4, characterized in that When the comparison processing unit determines that the row color measurement error has occurred for the row of the color measurement object, the terminal display processing unit does not display the judgment result of the color measurement error for each color included in the row of the color measurement object.

8. The color measurement system according to any one of claims 2 to 4, characterized in that When the comparison processing unit determines that the row color measurement error has not occurred for the row of the color measurement object, the terminal display processing unit displays the judgment result of the color measurement error for each color included in the row of the color measurement object.

9. A chromometer, characterized in that, Comprising: A colorimeter comparison processing unit that performs comparison processing between the color value of the color measured by a color measurement unit that performs color measurement and the color value of a reference color; And Colorimeter display processing unit, When the first color difference does not meet the first judgment criterion, the colorimeter comparison processing unit determines that a color measurement error related to the first color measurement value has occurred. The first color difference is the color difference between the first color measurement value, which is the color measurement value of the first color included in the row of the color measurement object, and the first reference value, which is the reference value of the first color. In addition, for each color within the row of the color measurement object, when the average of the color differences between each color and the corresponding reference value exceeds the allowable color difference, the colorimeter comparison processing unit determines that the second judgment criterion is not met and a row color measurement error indicating an error in the row of the color measurement object has occurred. When the colorimeter comparison processing unit determines that the row color measurement error has occurred, the colorimeter display processing unit performs a process of displaying information on the row color measurement error.

10. A color measurement method, characterized in that, Perform the following operations, namely: Receive the color value of the color measured by the colorimeter that has performed color measurement; Perform a comparison process between the received color value and the color value of the reference color; When the first color difference does not meet the first judgment criterion, determine that a color measurement error related to the first color measurement value has occurred. The first color difference is the color difference between the first color measurement value, which is the color measurement value of the first color included in the row of the color measurement object, and the first reference value, which is the reference value of the first color. For each color within the row of the color measurement object, when the average of the color differences between each color and the corresponding reference value exceeds the allowable color difference, determine that the second judgment criterion is not met and a row color measurement error indicating an error in the row of the color measurement object has occurred. When it is determined that the row color measurement error has occurred, send the information on the row color measurement error to the colorimeter.

11. A recording medium, characterized in that, It records a program that causes the color measurement system to perform the following steps, namely: The step of receiving the color value of the color measured by the colorimeter that has performed color measurement; The step of performing a comparison process between the received color value and the color value of the reference color; The step of determining that a color measurement error related to the first color measurement value has occurred when the first color difference does not meet the first judgment criterion. The first color difference is the color difference between the first color measurement value, which is the color measurement value of the first color included in the row of the color measurement object, and the first reference value, which is the reference value of the first color. The step of determining that the second judgment criterion is not met and a row color measurement error indicating an error in the row of the color measurement object has occurred when the average of the color differences between each color within the row of the color measurement object and the corresponding reference value exceeds the allowable color difference. The step of sending the information on the row color measurement error to the colorimeter when it is determined that the row color measurement error has occurred.

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