SIFT,PCA-SIFT,GLOH相关资料链接

http://blog.csdn.net/zddblog/article/details/7521424
 SIFT算法详解 解析全面 通俗易懂


http://blog.csdn.net/yangtrees/article/details/7930631
PCA-SIFT详解


http://www.cnblogs.com/xfzhang/archive/2010/12/08/1900599.html
PCA-SIFT && GLOH 


http://www.scholarpedia.org/article/SIFT


http://blog.csdn.net/abcjennifer/article/details/7681718
特征提取方法 SIFT,PCA-SIFT,GLOH,SURF


A performance evaluation of local descriptors

GLOH 论文

http://www.sigvc.org/bbs/thread-18-1-1.html 6楼
《Computer Vision: Algorithms and Applications》
04-feature detection and matching