1. KL散度(相对熵)、交叉熵的解析 https://blog.csdn.net/witnessai1/article/details/79574812
2. 互信息（Mutual Information） https://www.cnblogs.com/gatherstars/p/6004075.html

https://blog.csdn.net/gwplovekimi/article/details/104977255

Welcome to Qing-Hong Cao’s homepage! http://www.phy.pku.edu.cn/~qhcao/index.html