两篇博客:
大佬的私人github博客:
http://danieljyc.github.io/2014/06/13/%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A015-3–%E7%8B%AC%E7%AB%8B%E6%88%90%E5%88%86%E5%88%86%E6%9E%90ica%EF%BC%88independent-component-analysis%EF%BC%89/
机器学习中PCA和ICA的理解:
https://blog.youkuaiyun.com/zrjdds/article/details/50318065
ICA 原理以及相关概率论,信息论知识简介:
https://blog.youkuaiyun.com/whiteinblue/article/details/36027443
言简意赅的ppt:
http://wenku.baidu.com/view/8fa7f71b6bd97f192279e9aa.html
总结的还可以:
https://blog.youkuaiyun.com/walilk/article/details/50468140
尤其是其中的standford的链接:
http://ufldl.stanford.edu/tutorial/unsupervised/RICA/