Color identifying system, color identifying method and display device

• US 10,204,424 B2
• Filed: 10/18/2015
• Issued: 02/12/2019
• Est. Priority Date: 05/22/2015
• Status: Active Grant

• Current Assignee: BOE Technology Group Co., Ltd.
• Original Assignee: BOE Technology Group Co., Ltd.
• Inventors: Li, Hui
• Primary Examiner(s): Vu, Kim Y
• Assistant Examiner(s): Bloom, Nathan J
• Application Number:
  US15/307,551
• Publication Number:
  US 20170148189A1
• Time in Patent Office: 1,213 Days
• Field of Search: None
• CPC Class Codes: A61F 9/08 Devices or methods enabling eye-patients to replace direct visual perception by another kind of perception
• CPC Class Codes: G01J 3/465 taking into account the colour perception of the eye; using tristimulus detection
• CPC Class Codes: G06T 2207/10024 Color image
• CPC Class Codes: G06T 7/11 Region-based segmentation
• CPC Class Codes: G06T 7/90 Determination of colour characteristics
• CPC Class Codes: G06V 10/56 relating to colour

Abstract

A color identifying system, a color identifying method and a display device are provided. The color identifying system comprises an image acquiring unit, a color analyzing unit and an information output unit; the image acquiring unit is configured to acquire an image of an object to be identified; the color analyzing unit is configured to extract profiles of the pattern regions of the object to be identified, and analyze colors of the pattern regions, to determine overall color information of the object to be identified; and the information output unit is configured to output the overall color information of the object to be identified. The color identifying system can help a color vision defective person to identify color of an object, which is greatly convenient to production and life of the color vision defective person, and thus significantly improving quality of life of the color vision defective person.

Claims

1. A color identifying system, comprising a processor configured to perform steps of:

acquiring an image comprising an object to be identified;

extracting profiles of pattern regions of the object to be identified in the image, and analyze colors of the pattern regions, to determine overall color information of the object to be identified; and

displaying text indicating the colors of the pattern regions on the image or producing voice indicating the colors of the pattern regions, based on the overall color information;

wherein, the object to be identified has a plurality of pattern regions, and the processor is further configured to perform steps of;

dividing sub-regions correspondingly located in each of the pattern regions into a plurality of first groups, wherein each of the first groups includes a plurality of the sub-regions adjacent to each other, and further dividing the first groups correspondingly located in each of the pattern regions into a plurality of second groups, wherein each of the second groups includes a plurality of the first groups adjacent to each other;

performing statistics on color information of the sub-regions in each of the first groups, and determining color information having a statistical result exceeding a threshold as color information of the first group, and further performing statistics on color information of the first groups in each of the second groups, and determining color information having a statistical result exceeding the threshold as color information of the second group; and

performing statistics on color information of the second groups in each of the pattern regions, and determining color information having a statistical result exceeding the threshold as color information of the pattern region.

2. The color identifying system according to claim 1, wherein the processor is further configured to perform steps of:

dividing the object to be identified in the image into a plurality of sub-regions, and analyzing and determining colors of respective sub-regions, then aggregating color information of the respective sub-regions according to pattern regions where the respective sub-regions are located, so as to finally determine the overall color information of the object to be identified; and

outputting the profiles of the pattern regions of the object to be identified.

3. The color identifying system according to claim 2, wherein the processor is further configured to perform steps of:

extracting profiles of the pattern regions;

dividing the object to be identified in the image into a plurality of sub-regions;

analyzing and determining color parameters of the respective sub-regions;

storing a sample color database which includes color parameters of all colors;

comparing color parameters of the respective sub-region with color parameters in the sample color database, and when a comparison result shows that the parameters are consistent, a color in the sample color database corresponding to the sub-region is determined as a color of the sub-region; and

aggregating colors of the sub-regions correspondingly located in the pattern region, to determine color information of the pattern region, thereby finally determining the overall color information of the object to be identified.

4. The color identifying system according to claim 3, wherein color parameters of the sub-region include hue, saturation and value parameters;

and wherein

the sample color database includes hue, saturation, and value parameters of all colors in a hexagonal pyramid color model.

5. The color identifying system according to claim 3, wherein, a background color of the object to be identified in the image is any color except a first color, and contours of profiles of the pattern regions of the object to be identified adopt the first color, and text for displaying color information of the pattern regions is located in a background region of the object to be identified and adopt the first color;

and the first color is a color which can be identified by a color vision defective person; and

the processor is further configured to perform steps of displaying the contours of the profiles.

6. The color identifying system according to claim 3, wherein the processor is further configured to perform steps of:

storing a color matching scheme;

selecting, according to color information of the pattern region of the object to be identified, a stored color matching scheme corresponding thereto; and

outputting the color matching scheme corresponding to the color information of the pattern region of the object to be identified.

7. The color identifying system according to claim 6, wherein the color matching scheme includes a plurality of contrast color matching schemes, a plurality of coordinated color matching schemes, and a plurality of mainstream color matching schemes;

the sample color database includes a hexagonal pyramid color model, the contrast color matching scheme is configured to match colors in opposite sides of the hexagonal pyramid in the hexagonal pyramid color model or match colors in opposite sides of the hexagonal pyramid and colors on both sides adjacent to the opposite sides in the hexagonal pyramid color model;

the coordinated color matching scheme is configured to match colors on 2 to 4 sides of the hexagonal pyramid in the hexagonal pyramid color model, which 2 to 4 sides are connected in sequence and one side therein is adjacent to at least one of the other remaining sides therein; and

the mainstream color matching scheme is a popular color matching scheme.

8. The color identifying system according to claim 6, wherein the processor is further configured to perform steps of outputting the color matching scheme corresponding to color information of the pattern region of the object to be identified in a manner of text plus image or voice plus image.

9. A display device, comprising the color identifying system according to claim 1.

14. The color identifying system according to claim 4, wherein the object to be identified has a plurality of pattern regions, and the processor is further configured to perform steps of:

dividing the sub-regions correspondingly located in each of the pattern regions into a plurality of first groups, wherein each of the first groups includes a plurality of the sub-regions adjacent to each other, and further dividing the first groups correspondingly located in each of the pattern regions into a plurality of second groups, wherein each of the second groups includes a plurality of the first groups adjacent to each other;

performing statistics on color information of the sub-regions in each of the first groups, and determining color information having a statistical result exceeding a threshold as color information of the first group; and

further performing statistics cm color information of the first groups in each of the second groups, and determining color information having a statistical result exceeding the threshold as color information of the second group; and

performing statistics on color information of the second groups in each of the pattern regions, and determining color information having a statistical result exceeding the threshold as color information of the pattern region.

15. The color identifying system according to claim 4, wherein a background color of the object to be identified in the image is any color except a first color, and contours of profiles of the pattern regions of the object to be identified adopt the first color, and text fix displaying color information of the pattern regions is located in a background region of the object to be identified and adopt the first color;

and the first color is a color which can be identified by a color vision defective person; and

the processor is further configured to perform steps of displaying the contours of the profiles.

16. The color identifying system according to claim 1, wherein a background color of the object to be identified in the image is any color except a first color, and contours of profiles of the pattern regions of the object to be identified adopt the first color, and text for displaying color information of the pattern regions is located in a background region of the object to be identified and adopt the first color;

and the first color is a color which can be identified by a color vision defective person; and

the processor is further configured to perform steps of displaying the contours of the profiles.

10. A color identifying method, comprising:

acquiring an image comprising an object to be identified;

extracting profiles of pattern regions of the object to be identified in the image, and analyzing colors of the pattern regions, to determine overall color information of the object to be identified; and

displaying text indicating the colors of the pattern regions on the image or producing voice indicating the colors of the pattern regions, based on the overall color information,

wherein the object to be identified has a plurality of pattern regions, the method further comprising;

dividing sub-regions correspondingly located in each of the pattern regions into a plurality of first groups, wherein, each of the first groups includes a plurality of the sub-regions adjacent to each other;

dividing the first groups correspondingly located in each of the pattern regions into a plurality of second groups, wherein, each of the second groups includes a plurality of the first groups adjacent to each other;

performing statistics on color information of the sub-regions in each of the first groups, and determining color information having a statistical result exceeding a threshold as color information of the first group;

performing statistics on color information of the first groups in each of the second groups, and determining color information having a statistical result exceeding the threshold as color information of the second group; and

performing statistics on color information of the second groups in each of the pattern regions, and determining color information having a statistical result exceeding the threshold as color information of the pattern region.

11. The color identifying method according to claim 10, further comprising:

outputting the profiles of the pattern regions of the object to be identified,

wherein the analyzing colors of the pattern regions, to determine overall color information of the object to be identified includes;

dividing the object to be identified in the image into a plurality of sub-regions;

analyzing and determining colors of respective sub-regions; and

then aggregating color information of the respective sub-regions according to pattern regions where the respective sub-regions are located, so as to finally determine the overall color information of the object to be identified.

12. The color identifying method according to claim 11, wherein, the analyzing and determining colors of the respective sub-regions includes:

analyzing and determining color parameters of the respective sub-regions;

comparing color parameters of the respective sub-region with color parameters stored in a sample color database; and

determining a color in the sample color database corresponding to the sub-region as a color of the sub-region, when a comparison result shows that the parameters are consistent.

13. The color identifying method according to claim 10, further comprising:

selecting, to color information of the pattern region of the object to be identified, a color matching scheme corresponding thereto from stored color matching schemes; and

outputting the color matching scheme corresponding to the color information of the pattern region of the object to be identified.