Freak相关网址

https://github.com/kikohs/freak/commit/3f9d396689f63861b201e196cd000722870f101c 

https://github.com/Itseez/opencv/blob/2.4/samples/cpp/freak_demo.cpp

 FREAK例子

https://github.com/Itseez/opencv/commit/aef347e7b3dad14c67d9365faf043e4718057863 opencv中改变的函数以及网址

https://github.com/BloodAxe/opencv/tree/kaze-features KAZE特征

http://blog.csdn.net/yang_xian521/article/details/7732835  新版本2.4.2简介&FREAK和ORB特征描述子效果对比features2d 

http://www.91r.net/ask/12509841.html  FREAK相关

http://blog.csdn.net/chenyusiyuan/article/details/8734506  opencv KAZE算法