交叉熵
http://blog.csdn.net/jasonzzj/article/details/52017438
http://blog.csdn.net/u012162613/article/details/44261657
目标检测
http://blog.csdn.net/liulina603/article/details/8291093
http://blog.csdn.net/guyuealian/article/details/70995333
svm
http://blog.csdn.net/shuke1991/article/details/53487578
http://blog.csdn.net/on2way/article/details/47733861