SURF_extraction
代码说明：
图像SURF特征提取，用于图像拼接和篡改检测，注释比较详细，程序很好理解(SURF feature extraction, image is used for image matching and tamper detection, comments are detailed, the program is easy to understand)
文件列表：
OpenSURF
.........\example1006.m,1888,2012-10-06
.........\example2.m,1208,2013-03-19
.........\example3.m,1938,2013-03-19
.........\OpenSurf.m,3778,2010-09-07
.........\SubFunctions
.........\............\FastHessian_BuildDerivative.m,603,2010-07-27
.........\............\FastHessian_buildResponseLayer.m,1699,2010-07-30
.........\............\FastHessian_buildResponseMap.m,1877,2010-07-21
.........\............\FastHessian_getIpoints.m,2353,2010-07-30
.........\............\FastHessian_getLaplacian.m,455,2010-07-27
.........\............\FastHessian_getResponse.m,450,2010-07-27
.........\............\FastHessian_interpolateExtremum.m,2478,2010-07-30
.........\............\FastHessian_isExtremum.m,1680,2010-07-30
.........\............\FastHessian_ResponseLayer.m,738,2010-07-30
.........\............\IntegralImage_BoxIntegral.m,791,2010-07-29
.........\............\IntegralImage_HaarX.m,494,2010-07-30
.........\............\IntegralImage_HaarY.m,556,2010-07-30
.........\............\IntegralImage_IntegralImage.m,796,2010-07-29
.........\............\PaintSURF.m,1089,2010-07-30
.........\............\SurfDescriptor_DecribeInterestPoints.m,1554,2010-07-31
.........\............\SurfDescriptor_GetDescriptor.m,3636,2010-07-31
.........\............\SurfDescriptor_GetOrientation.m,2921,2010-07-31
.........\TestImages
.........\..........\lena2.png,211716,2010-09-07
.........\..........\lena20.jpg,19555,2013-03-19
.........\..........\lena21.jpg,113463,2013-03-19
.........\..........\test.png,5296,2010-07-20
.........\..........\testc1.png,123228,2010-07-27
.........\..........\testc2.png,122063,2010-07-27
.........\WarpFunctions
.........\.............\affine_warp.m,9721,2010-09-07
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