sift 经典源码作者推荐代码，结合GSL+OPENCV进行编写，可在WINDOWS下运行




File list:
SIFT_VC
......\Debug
......\.....\imgfeatures.obj
......\.....\kdtree.obj
......\.....\match.obj
......\.....\minpq.obj
......\.....\sift.obj
......\.....\SIFT_VC.pch
......\.....\utils.obj
......\.....\vc60.idb
......\.....\vc60.pdb
......\beaver.png

......\beaver_xform.png

......\downimg_matched_points.xml
......\dspfeat.c
......\imgfeatures.c
......\imgfeatures.h
......\kdtree.c
......\kdtree.h
......\match.c
......\match.cpp
......\minpq.c
......\minpq.h
......\sift.c
......\sift.h
......\siftfeat.c
......\SIFT_VC.dsp
......\SIFT_VC.dsw
......\SIFT_VC.ncb
......\SIFT_VC.opt
......\SIFT_VC.plg
......\upimg_matched_points.xml
......\upimg_matched_points.yml
......\utils.c
......\utils.h
......\xform.c
......\xform.h