BOW模型和SIFT特征

http://blog.csdn.net/loadstar_kun/article/details/39450137

http://blog.csdn.net/zddblog/article/details/7521424

http://aishack.in/tutorials/sift-scale-invariant-feature-transform-introduction/

http://blog.csdn.net/masibuaa/article/details/9191309

http://blog.csdn.net/xiaowei_cqu/article/details/8069548

puzzle http://blog.csdn.net/piaomiaoju/article/details/11693349

http://www.aiuxian.com/article/p-2225543.html

opencv专栏：http://blog.csdn.net/zhaocj/article/category/2521441 附带详细注释

http://people.rennes.inria.fr/Herve.Jegou/

https://sites.google.com/site/lsvrtutorialcvpr14/home/efficient-matching

http://www.xrce.xerox.com/Research-Development/Computer-Vision

CBIR：http://homes.cs.washington.edu/~shapiro/cbir.html

Color Names 颜色特征: http://lear.inrialpes.fr/people/vandeweijer/color_names.html