Sift (Scale Invariant Feature Transform) is a good image matching algorithm, and can handle the brightness, pan, rotate, scale changes, the use of feature points extracted feature descriptor, and finally find a match between the characterization character.

SIFTCPU
.......\Debug
.......\.....\SIFTCPU.exe
.......\.....\SIFTCPU.ilk
.......\.....\SIFTCPU.pdb
.......\SIFTCPU
.......\SIFTCPU.sdf
.......\SIFTCPU.sln
.......\SIFTCPU.suo
.......\.......\Debug
.......\.......\.....\CL.read.1.tlog
.......\.......\.....\CL.write.1.tlog
.......\.......\.....\link.read.1.tlog
.......\.......\.....\link.write.1.tlog
.......\.......\.....\mt.read.1.tlog
.......\.......\.....\mt.write.1.tlog
.......\.......\.....\SIFTCPU.exe.intermediate.manifest
.......\.......\.....\SIFTCPU.lastbuildstate
.......\.......\.....\SIFTCPU.log
.......\.......\.....\SIFTCPU.vcxprojResolveAssemblyReference.cache
.......\.......\.....\SIFTCPU.write.1.tlog
.......\.......\.....\SIFTMain.obj
.......\.......\.....\vc100.idb
.......\.......\.....\vc100.pdb
.......\.......\SIFTCPU.vcxproj
.......\.......\SIFTCPU.vcxproj.filters
.......\.......\SIFTCPU.vcxproj.user
.......\.......\SIFTMain.cpp

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