对彩色图像进行光照处理，进行光照补偿，主要是在RGB通道进行的，进行均衡化处理 最终获得良好的效果，对于不同图片处理效果有不同的效果，如果要获得更好效果 可以再改进-Illumination on color images, the illumination compensation, mainly in the RGB channel, and the equalization processing of final good results, the treatment effect for different images have different effects, if you want to get better results can be further improved