ggcleyang / gamma-correction Goto Github PK

gamma correction for color or gray image

├─matlab_script
├─images---tested images-color and gray images

%color image
1.first need to rgb2hsv
2.process channel V only using gamma correction
3.hsv2rgb

%gray image
directly to gamma correction

care about image data normalization(unint8 to double) in processing or display

%color_space_gamma_curve.m
for plot gamma curves of various color space
% red curve for sRGB/Display-P3
% green curve for Adobe RGB (1998)
% blue curve for BT.709/Rec2020/BT.2020
% magenta curve for DCI-P3
% yellow curve for Wide Gamut RGB
% black curve for ProPhoto RGB