各种须知分类等
RGB转HSI,HSI更适合人类感知上的研究
https://blog.csdn.net/lsh_2013/article/details/45245865
https://blog.csdn.net/qq_17121501/article/details/51181402
http://blog.sina.com.cn/s/blog_15183f5750102vq8l.html
颜色模型:YUV,RGB,YUV
YUV颜色编码解析
https://www.jianshu.com/p/a91502c00fb0
RGB、YUV和HSV颜色空间模型
https://www.cnblogs.com/justkong/p/6570914.html
通过rgb值判断颜色深浅
https://blog.csdn.net/qq_36843675/article/details/79448051