sift-demo
代码说明：
角点提取的源码，其中有错误，已经修改过了，有注释，希望对大家有帮助！！(Corner extraction of source, including errors, has been modified, annotated, we want to help! !)
文件列表：
sift角点提取
............\新建文件夹
............\..........\do_descriptor.m,4156,2010-05-20
............\..........\do_diffofg.m,323,2010-05-20
............\..........\do_extrefine.m,3278,2010-05-20
............\..........\do_gaussian.m,2365,2010-05-20
............\..........\do_localmax.m,1181,2010-05-20
............\..........\do_orientation.m,1753,2010-05-20
............\..........\do_sift.m,2420,2011-07-08
............\..........\smooth.m,101,2010-05-21
............\..........\片段.shs,1682432,2011-07-14
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