US 11,705,079 B2
Color image processing method and device, electronic ink screen, and storage medium
Yanhong Wu, Beijing (CN); Hanwen Liu, Beijing (CN); and Lijie Zhang, Beijing (CN)
Assigned to BOE Technology Group Co., Ltd., Beijing (CN)
Filed by BOE Technology Group Co., Ltd., Beijing (CN)
Filed on Nov. 22, 2021, as Appl. No. 17/532,470.
Claims priority of application No. 202011439489.4 (CN), filed on Dec. 7, 2020.
Prior Publication US 2022/0180823 A1, Jun. 9, 2022
Int. Cl. G09G 3/34 (2006.01)
CPC G09G 3/344 (2013.01) [G09G 2320/0666 (2013.01); G09G 2340/06 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A color image processing method, comprising:
obtaining an original image, and transforming original color data of a pixel in the original image into corresponding set color data in a set color space;
determining a target color corresponding to the pixel in a plurality of set colors according to the set color data corresponding to the pixel and a color ratio allocation table; and
generating a target image according to the target color;
wherein the set color data includes first attribute data, second attribute data and third attribute data; the color image processing method further includes:
determining first color allocation ratios of a plurality of set colors according to a range of the first attribute data;
determining second color allocation ratios of the plurality of set colors according to the first color allocation ratios and the second attribute data; and
determining third color allocation ratios of the plurality of set colors according to the second color allocation ratios and the third attribute data, thereby obtaining the color ratio allocation table;
wherein the set color space includes an HSV color space; the first attribute data includes hue data; the second attribute data includes saturation data; and the third attribute data includes value data.