相关图像增强
https://www.sohu.com/a/225997294_100087521
https://blog.csdn.net/zhu_hongji/article/details/80984341
https://zhuanlan.zhihu.com/p/57666772
https://ww2.mathworks.cn/discovery/image-enhancement.html
https://www.dynamsoft.com/blog/insights/image-processing/image-processing-101-image-enhancement/