sift algorithm is self-evident the importance of the cv field, the author of the article referenced in the cv sector is number1 this blog I just sift algorithm knowledge compiled under, so as not to forget. This article compares the earlier blog post opencv source code analysis (3): check the preface of the feature points 1 the opencv bring their own sift to do a simple experiment, but this time Rob Hess' s sift source to experiment. In fact, with the opencv version sift algorithm is Rob Hess, only slightly packing the next. Below to do the next test, test sift code using the code of Rob Hess, sift source opencv version of Rob Hess. The code can be downloaded on his home page: http://blogs.oregonstate.edu/hess/code/sift/ here I downloaded the windows version, and using Qt to do a simple interface.

Qt_RobHess_Sift
...............\sift_detect
...............\...........\beaver.png
...............\...........\beaver_xform.png
...............\...........\dst.jpg
...............\...........\imgfeatures.c
...............\...........\imgfeatures.h
...............\...........\main.cpp
...............\...........\sift.c
...............\...........\sift.h
...............\...........\sift_detect.pro
...............\...........\sift_detect.pro.user
...............\...........\siftdetect.cpp
...............\...........\siftdetect.h
...............\...........\siftdetect.ui
...............\...........\src.jpg
...............\...........\src1.jpg
...............\...........\src2.jpg
...............\...........\utils.c
...............\...........\utils.h
...............\sift_match
...............\..........\dst.jpg
...............\..........\imgfeatures.c
...............\..........\imgfeatures.h
...............\..........\kdtree.c
...............\..........\kdtree.h
...............\..........\main.cpp
...............\..........\minpq.c
...............\..........\minpq.h
...............\..........\sift.c
...............\..........\sift.h
...............\..........\sift_match.pro
...............\..........\sift_match.pro.user
...............\..........\siftmatch.cpp
...............\..........\siftmatch.h
...............\..........\siftmatch.ui
...............\..........\src1.jpg
...............\..........\src1_c.jpg
...............\..........\src2.jpg
...............\..........\src2_c.jpg
...............\..........\utils.c
...............\..........\utils.h
...............\..........\xform.c
...............\..........\xform.h
...............\特征点检测学习_1(sift算法).pdf

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