YUV中各分量含义

Y是亮度, U和V表示颜色。
YUV又叫YCbCr。
csdn博客https://blog.csdn.net/hanxiucaolss/article/details/100726139：
C代表分量（component），Cr、Cb分别对应r(红)、b(蓝)分量信号，Y除了g(绿)分量信号，还叠加了亮度信号。

微软文章：Note For the purposes of this article, the term U is equivalent to Cb, and the term V is equivalent to Cr.

图解yuv

https://docs.google.com/document/d/1cT399PNIXxFVfWLIZCMBQ0_sbtuIdG_Gfkuh2k-LpF8/edit

参考文献

微软文章https://learn.microsoft.com/en-us/previous-versions/aa904813(v=vs.80)?redirectedfrom=MSDN