surf feature extraction method is a good one, can be used as a test, can also be developed

surf
....\fasthessian.cpp
....\fasthessian.h
....\integral.cpp
....\integral.h
....\ipoint.cpp
....\ipoint.h
....\kdtree.cpp
....\kdtree.h
....\kmeans.h
....\main.cpp
....\minpq.cpp
....\minpq.h
....\resource.h
....\responselayer.h
....\stich_image.cpp
....\stich_image.h
....\surf.cpp
....\surf.h
....\surflib.h
....\TimeCal.cpp
....\TimeCal.h
....\utils.cpp
....\utils.h
....\utils1.cpp
....\utils1.h
....\xform.cpp
....\xform.h

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