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