David G.Lowe的SIFT算子 Matlab实现，运行前要把siftWin32文件放在Matlab的win目录下，具体调用请参照README-

code for detecting and matching SIFT features

　　　　　　　　　　　　　　　　

　　　　　　　　　　David Lowe (lowe@cs.ubc.ca)

　　　　　　　　　　 Version 4, July 6, 2005





This directory contains compiled binary programs for finding SIFT

invariant features that can run under Linux or Windows.　In addition,

there is a Matlab scr ipt as well as C source code showing how to load

the features and do simple feature matching.



See the web page at

　http://www.cs.ubc.ca/~lowe/keypoints/

for references to the relevant papers describing this approach.