https://zhuanlan.zhihu.com/p/33147353
https://blog.csdn.net/thm225679/article/details/79689008
https://github.com/ryanleeallred/Image_Augmentation/blob/master/Histogram_Modification.ipynb
https://zhuanlan.zhihu.com/p/33147353
https://blog.csdn.net/thm225679/article/details/79689008
https://github.com/ryanleeallred/Image_Augmentation/blob/master/Histogram_Modification.ipynb