http://huhuixuefei.blog.163.com/blog/static/6521130820125793942727/
2 Local Binary Patterns
By Philipp Wagner
http://www.bytefish.de/blog/local_binary_patterns/
稀疏表示
1 人脸识别(稀疏表示、人工神经网络)
木子超
有代码
http://blog.youkuaiyun.com/endlch/article/details/48132085
2 稀疏表达:向量、矩阵与张量
http://www.sigvc.org/bbs/thread-1951-1-1.html
3 (SRC)基于稀疏表示的人脸识别
http://blog.sciencenet.cn/blog-261330-810150.html
hog 算子
1 手撕Hog 特征值提取——一种通俗的Hog特征提取方法
草泥马的博客
http://blog.youkuaiyun.com/qq_15933579/article/details/51500624
2 opencv源码解析之(6):hog源码分析
tornadomeet
http://www.cnblogs.com/tornadomeet/archive/2012/08/15/2640754.html
3 HOG(方向梯度直方图)
http://blog.youkuaiyun.com/pp5576155/article/details/7023709
4 重新解读HoG 和PHoG (pyramid HoG)
Firefly's space
https://avaminzhang.wordpress.com/2012/03/26/%E9%87%8D%E6%96%B0%E8%A7%A3%E8%AF%BBhog-%E5%92%8Cphog-pyramid-hog/