sift特徵
http://blog.csdn.net/abcjennifer/article/details/7639681
surf特徵
http://www.cnblogs.com/tornadomeet/archive/2012/08/17/2644903.html
sift特徵
http://blog.csdn.net/abcjennifer/article/details/7639681
surf特徵
http://www.cnblogs.com/tornadomeet/archive/2012/08/17/2644903.html