matlab的光照补偿程序，可以运行，挺有用的-Matlab Illumination compensation program, you can run quite used

主要是进行一个人脸的光照补偿和灰度处理后的直方图，当然有些比较图在里面。- Mainly histogram after exposure compensation and gradation processing of a human face, of course, some comparison chart on the inside