File list (Check if you may need any files):
opensurf
........\OpenSurf.m
........\SubFunctions
........\............\FastHessian_BuildDerivative.m
........\............\FastHessian_ResponseLayer.m
........\............\FastHessian_buildResponseLayer.m
........\............\FastHessian_buildResponseMap.m
........\............\FastHessian_getIpoints.m
........\............\FastHessian_getLaplacian.m
........\............\FastHessian_getResponse.m
........\............\FastHessian_interpolateExtremum.m
........\............\FastHessian_isExtremum.m
........\............\IntegralImage_BoxIntegral.m
........\............\IntegralImage_HaarX.m
........\............\IntegralImage_HaarY.m
........\............\IntegralImage_IntegralImage.m
........\............\PaintSURF.m
........\............\SurfDescriptor_DecribeInterestPoints.m
........\............\SurfDescriptor_GetDescriptor.m
........\............\SurfDescriptor_GetOrientation.m
........\TestImages
........\..........\lena1.png
........\..........\lena2.png
........\..........\test.png
........\..........\testc1.png
........\..........\testc2.png
........\WarpFunctions
........\.............\affine_warp.m
........\example2.m
........\example3.m
........\lena1.png
........\license.txt
........\opensurf.png