This what I spent 10 yuan to buy from elsewhere, by far the most complete sift source, OPENCV version matlab version of C++ version of the VS version VC6.0 version), do not look for the others.

SIFT源代码综合资料（讲义 OPENCV版 matlab版 C++版 VS版 VC6.0版）\OPENCV_SIFT_特征提取_匹配算法\TestSIFTVC6\KeyPoint.cpp
................................................................\.............................\...........\KeyPoint.h
................................................................\.............................\...........\MatchInfo.cpp
................................................................\.............................\...........\MatchInfo.h
................................................................\.............................\...........\MinHeap.cpp
................................................................\.............................\...........\MinHeap.h
................................................................\.............................\...........\ReadMe.txt
................................................................\.............................\...........\res\TestSIFT.ico
................................................................\.............................\...........\...\TestSIFT.rc2
................................................................\.............................\...........\...\Thumbs.db
................................................................\.............................\...........\resource.h
................................................................\.............................\...........\ScaleSpace.cpp
................................................................\.............................\...........\ScaleSpace.h
................................................................\.............................\...........\SIFT.cpp
................................................................\.............................\...........\SIFT.h
................................................................\.............................\...........\StdAfx.cpp
................................................................\.............................\...........\StdAfx.h
................................................................\.............................\...........\TestSIFT.aps
................................................................\.............................\...........\TestSIFT.clw
................................................................\.............................\...........\TestSIFT.cpp
................................................................\.............................\...........\TestSIFT.dsp
................................................................\.............................\...........\TestSIFT.dsw
................................................................\.............................\...........\TestSIFT.h
................................................................\.............................\...........\TestSIFT.ncb
................................................................\.............................\...........\TestSIFT.opt
................................................................\.............................\...........\TestSIFT.plg
................................................................\.............................\...........\TestSIFT.rc
................................................................\.............................\...........\TestSIFTDlg.cpp
................................................................\.............................\...........\TestSIFTDlg.h
................................................................\PCA-SIFT\pcasift-0.91nd\aclocal.m4
................................................................\........\..............\AUTHORS
................................................................\........\..............\ChangeLog
................................................................\........\..............\config.h.in
................................................................\........\..............\configure
................................................................\........\..............\configure.ac
............................

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