siftDemoV4
代码说明：
这是一个检测和匹配SIFT特征点的演示算法，同时还包含一个C程序用于载入特征点来做简单的特征匹配。(This is a detection and matching SIFT feature point presentation algorithm, but also contains a C program used to load the feature point to do a simple feature matching.)
文件列表：
siftDemoV4
..........\siftDemoV4
..........\..........\appendimages.m,461,2012-05-30
..........\..........\basmati.pgm,46433,2012-05-30
..........\..........\book.pgm,97697,2012-05-30
..........\..........\box.pgm,72310,2012-05-30
..........\..........\defs.h,1920,2012-05-30
..........\..........\htm" target=_blank>LICENSE,1055,2012-05-30
..........\..........\Makefile,631,2012-05-30
..........\..........\match.c,4876,2012-05-30
..........\..........\match.m,1940,2012-05-30
..........\..........\htm" target=_blank>README,7952,2012-05-30
..........\..........\scene.pgm,196623,2012-05-30
..........\..........\showkeys.m,1699,2012-05-30
..........\..........\sift,45070,2012-05-30
..........\..........\sift.m,2494,2012-05-30
..........\..........\siftWin32.exe,94208,2012-05-30
..........\..........\util.c,7493,2012-05-30
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