Image processing device for transmitting color with fidelity and product selling method using the same

• US 7,283,139 B1
• Filed: 07/12/2000
• Issued: 10/16/2007
• Est. Priority Date: 07/12/2000
• Status: Expired due to Fees

• Current Assignee: Dainichiseika Color & Chemicals Manufacturing Company Limited
• Original Assignee: Dainichiseika Color & Chemicals Manufacturing Company Limited
• Inventors: Tanaka, Norio
• Primary Examiner(s): Sajous; Wesner
• Application Number:
  US10/221,350
• Time in Patent Office: 2,652 Days
• Field of Search: 345589-590, 345593-594, 345/597, 345/601, 345/581, 345/204, 382162-167, 347/115, 348/488, 348/496, 348/498, 348/520, 348/557, 348/603, 358/515, 358/518, 358/519, 358/521, 358/504, 709/200, 709/203, 709/201, 709/204, 709/213, 399/72, 399/54, 399/28, 399/39
• US Class Current: 345/581
• CPC Class Codes: G06F 3/14 Digital output to display device ; Cooperation and interconnection of the display device with other functional units
• CPC Class Codes: G09G 2320/0693 Calibration of display systems
• CPC Class Codes: G09G 5/02 characterised by the way in which colour is displayed details of colour display specific for CRTs G09G1/28; specific for flat matrix panels other than liquid crystal displays G09G3/2003; specific for liquid crystal displays G09G3/3607
• CPC Class Codes: H03D 7/1408 with diodes
• CPC Class Codes: H04N 1/3333 during transmission, input or output of the picture signal; within a single document or page
• CPC Class Codes: H04N 1/33376 according to characteristics or state of one of the communicating parties, e.g. available memory capacity
• CPC Class Codes: H04N 1/6033 using test pattern analysis H04N1/6055 takes precedence
• CPC Class Codes: H04N 17/02 for colour television signals
• CPC Class Codes: H04N 2201/33378 Type or format of data, e.g. colour or B/W, halftone or binary, computer image file or facsimile data

Abstract

An image processing device (1) provides a client device (3) with a first test pattern image, acquires the results of evaluation concerning distinguishability of the image by human eyes, acquires color expression characteristics of the client device (3) according to the results, provides the client device (3) with a second test pattern image, acquires the results of evaluation concerning appearance of the second test pattern to human eyes, acquires the color balance characteristics of the client device (3), subjects the image data to be provided to color correction on the basis of the characteristics, and provides the client device (3) with the image data, thereby enhancing the color reproductivity of the image data on the client device (3) side.

Claims

1. An image processing device for providing image data to a client device to display the image data in the client device, comprising:

an information collecting section for sending a test pattern image to the client device to obtain from a user information as to distinguishability of gradations of the test pattern image by the human eye as display state information, the test pattern image comprising pattern elements to be selected by the user, the pattern elements being aligned such that the gradations are sequentially changed in reference units;

an estimation section for estimating color displaying capability of the client device based on the display state information obtained from the client device; and

a correction section for applying color correction to image data, based on the estimated color displaying capability,

wherein

image data which has been color corrected is provided to the client device.

2. The image processing device according to claim 1 wherein

a test pattern image is available for each primary color and comprises pattern elements which are colored in each primary color alone and aligned such that gradations are sequentially changed in reference units,

the information collecting section sequentially sends the test pattern images of the respective primary colors to sequentially obtain the display state information concerning display state of the test pattern images of the respective primary colors in the client device when viewed by the human eye, and

the estimation section estimates color displaying capability of the client device based on the display state information concerning display state of the test pattern images of the respective primary colors in the client device which is determined by the human eye.

3. The image processing device according to claim 1, wherein

the information collecting section further sends a second test pattern image to the client device to obtain information concerning appearance to the human eye of the second test pattern when displayed by the client device, the second test pattern comprising color samples which are colored so as to have a substantially white or gray color obtained by blending the respective primary colors in a predetermined ratio and arranged according to a predetermined rule determined according to the predetermined ratio,

the image processing device further comprises a second estimation section for estimating display intensity of the respective primary colors displayed by the client device, based on the information concerning appearance to the human eye of the second test pattern image when displayed by the client device, and

the correction section applies color correction to the image data, based on the estimated color displaying capability and the display intensity of the respective primary colors estimated by the second estimation section.

4. The image processing device according to claim 1, wherein

the information collecting section repetitively provides a test pattern image having gradations which are changed in smaller reference units until the color displaying capability of the client device is estimated by the estimation section, to thereby repetitively conduct processing to obtain the display state information.

5. The image processing device according to claim 1, further comprising:

an obtaining section for obtaining information specifying a light source,

wherein

the correction section applies color correction based on the estimated color displaying capability and the information specifying a light source.

6. An image processing device having a display section for controlling displaying of image data, comprising:

an information collecting section for displaying in the display section a test pattern image to obtain from a user information concerning evaluation regarding distinguishability of gradations of the test pattern image by the human eye as display state information, the test pattern image comprising pattern elements to be selected by the user, the pattern elements being aligned such that the gradations are sequentially changed in reference units;

an estimation section for estimating color displaying capability of the display section based on the obtained display state information; and

a correction section for applying color correction to image data, based on the estimated color displaying capability.

7. The image processing device according to claim 6 wherein

a test pattern image is available for each primary color and comprises pattern elements which are colored in each primary color alone and aligned such that gradations are sequentially changed in reference units,

the information collecting section sequentially displays the test pattern images of the respective primary colors to sequentially obtain the display state information concerning display state of the test pattern images for the respective primary colors in the display section, and

the estimation section estimates color displaying capability of the display section based on the display state information concerning display state of the test pattern images of the respective primary colors in the display section.

8. The image processing device according to claim 6, wherein the information collecting section further displays a second test pattern image in the display section to obtain information concerning appearance of the second test pattern to the human eye, the second test pattern image comprising color samples which are colored so as to have a substantially white or gray color obtained by blending the respective primary colors in a predetermined ratio and arranged according to a predetermined rule determined according to the predetermined ratio,

the image processing device further comprises a second estimation section for estimating display intensity of the respective primary colors displayed in the display section, based on the information concerning appearance of the second test pattern image to the human eye, and

the correction section applies color correction to the image data, based on the estimated color displaying capability and the displaying intensity of the respective primary colors estimated by the second estimation section.

9. The image processing device according to claim 6, wherein

the information collecting section repetitively provides a test pattern image having gradations which are changed in smaller reference units until the color displaying capability of the display section is estimated by the estimation section, to thereby repetitively conduct processing to obtain the display state information.

10. The image processing device according to claim 6, further comprising:

an obtaining section for obtaining information specifying a light source,

wherein

the correction section applies color correction based on the estimated color displaying capability and the information specifying a light source.

11. An image processing device for providing image data to a client device to display the image data in the client device, comprising:

an information collecting section for sending test image data containing different colors to be selected by a user to the client device to obtain from the user information concerning evaluation regarding distinguishability of gradations of the test image data by the human eye,

wherein

color correction is applied in advance to image data to be provided to the client device, based on the obtained information concerning the evaluation made in the client device.

12. The image processing device according to claim 11, wherein

the color correction is applied by creating a color look-up table for each image data based on the information concerning the evaluation.

13. The image processing device according to claim 11, wherein

the color correction is applied by selecting a color look-up table from among a plurality of color look-up tables provided in advance for each image data, based on the information concerning the evaluation.

14. An image processing device for displaying image data, comprising:

an information collecting section for displaying test image data containing different colors to be selected by a user to obtain from the user information as to distinguishability of the respective colors of the test image data by human eye,

wherein

color correction is applied in advance to image data, based on the obtained information concerning the evaluation.

15. The image processing device according to claim 14, wherein

the color correction is applied by creating a color look-up table for each image data based on the information as to distinguishability.

16. The image processing device according to claim 14, wherein

the color correction is applied by selecting a color look-up table from among a plurality of color look-up tables provided in advance for each image data, based on the information as to distinguishability.

17. An image processing device for providing image data to a client device to display the image data in the client device, comprising:

an information collecting section for sending a test pattern image to the client device to be selected by a user, the test pattern image comprising an image element with a predetermined gradation and a plurality of image elements with gradations different from the predetermined gradation, the plurality of image elements being arranged relative to the image element having the predetermined level of gradation so as to contact to one another to obtain from the user information concerning evaluation regarding distinguishing of the image elements of the test pattern image by the human eye as display state information; and

a correction section for applying color correction to image data, based on the obtained display state information of the client device,

wherein

image data which has been color corrected is provided to the client device.

18. An image processing device having a display section for displaying image data, comprising:

an information collecting section for displaying in the display section a test pattern image comprising an image element with a predetermined gradation and a plurality of image elements with gradations different from the predetermined gradation to be selected by a user, the plurality of image elements being arranged relative to the image element having the predetermined level of gradation so as to contact to one another to obtain from the user information as to distinguishability of the image elements of the test pattern image by the human eye as display state information; and

a correction section for applying color correction to image data, based on the obtained display state information.

19. An image processing device for providing image data to a client device to display the image data with the client device, comprising:

an information collecting section for sending a first test pattern image to the client device to obtain from a user information as to distinguishability of gradations of the first test pattern image by the human eye as first display state information, the first test pattern image comprising pattern elements aligned such that the gradations are sequentially changed in reference units, and also for sending a second test pattern image to the client device to obtain information concerning appearance of the second test pattern image to the human eye in the client device as second display state information, the second test pattern image comprising color samples which are colored so as to have a substantially white or gray color obtained by blending the respective primary colors in a predetermined ratio and arranged according to a predetermined rule determined according to the predetermined ratio;

an obtaining means for obtaining information specifying a light source from the client device;

a first estimation section for estimating color displaying capability of the client device based on the first display state information;

a second estimation section for estimating displaying intensity of the primary colors displayed in the client device, based on the second display state information; and

a correction section for applying color correction to the image data, based on the estimated color displaying capability, the estimated displaying intensity of the primary colors, and the obtained information specifying a light source,

wherein

image data which has been color corrected is provided to the client device.

20. A method for providing image data, comprising the steps of:

sending a test pattern image to a client device to obtain from a user information concerning evaluation regarding distinguishability of gradations of the test pattern image by the human eye as display state information, the test pattern image comprising pattern elements to be selected by the user, the pattern elements aligned such that the gradations are sequentially changed in reference units;

estimating color displaying capability of the client device based on the display state information obtained from the client device;

applying color correction to image data, based on the estimated color displaying capability; and

providing image data which has been color corrected to the client device.

21. A method for providing image data, comprising:

providing test image data containing different colors to be selected by a user to a client device to obtain from the user information concerning evaluation regarding distinguishability of the respective colors of the test image data determined by the human eye from the client device; and

applying color correction in advance to image data, based on the obtained information concerning the evaluation made in the client device.

22. A method for displaying image data, comprising the steps of:

displaying test image data containing a plurality of colors to be selected by a user to obtain from the user information as to distinguishability of the respective colors of the test image data by the human eye; and

applying color correction in advance to the image data, based on the obtained information as to distinguishability by the human eye.

23. A computer readable recording media storing an image data providing program which comprises:

a module for sending a test pattern image to a client device to obtain from a user information concerning distinguishability of gradations of the test pattern image by the human eye as display state information, the test pattern image comprising pattern elements to be selected by the user, the pattern elements being aligned such that the gradations are sequentially changed in reference units;

a module for estimating color displaying capability of the client device based on the display state information obtained from the client device;

a module for applying color correction to image data, based on the estimated color displaying capability; and

a module for providing image data which has been color corrected to the client device.

24. A computer readable recording media storing an image data providing program which comprises:

a module for sending test image data containing different colors to be selected by a user to a client device to obtain from the user information as to distinguishability of the respective colors of the test image data by the human eye; and

a module for applying color correction in advance to image data, based on the obtained information as to distinguishability of the test image data by the human eye in the client device.

25. A computer readable recording media storing an image displaying program which comprises:

a module for displaying test image data containing different colors to be selected by a user to obtain from the user information as to distinguishability of the respective colors of the test image data by the human eye; and

a module for applying color correction in advance to the image data to display, based on the obtained information as to distinguishability.

26. A computer readable recording media storing test pattern image data comprising:

a program to electronically display on a display aligned image elements to be selected by a user prior to color correction, the image elements having gradations which are sequentially changed in reference gradation units that are distinguishable by a user'"'"'s eye for obtaining from the user information concerning evaluation regarding distinguishability of the gradations of the image elements.

27. A computer readable recording media storing test pattern image data comprising an image element with a predetermined gradation and a plurality of image elements with gradations different from the predetermined gradation which are arranged relative to the image element having the predetermined level of gradation so as to contact to one another, to be selected by a user and distinguishable by the user'"'"'s eye.

28. A means for creating a test pattern image, comprising the steps of:

creating a basic image element having a predetermined level of gradation;

creating n-number of image elements to be selected by a user having a plurality of levels of gradations which are different from the predetermined level of gradation, n being an integer from 1 to n, the image elements being distinguishable by the user'"'"'s eye; and

arranging each of the n-number of image elements relative to the basic image element such that the n number of image elements are in contact to one another.