sobel filter\cameraman1.jpg ............\cameraman2.jpg ............\cameraman3.jpg ............\cameraman4.jpg ............\CONTR1.jpg ............\CONTR2.bmp ............\CONTR2.jpg ............\CONTRSLE.bmp ............\paddedSize.m ............\Sobel.asv ............\Sobel.m ............\sobelFunction.m sobel filter