ilap.m

这是一个基于MATLAB的机器视觉工具箱,里面用很多非常有价值的的程序

%ILAP	Convolve with Laplacian kernel
%
%	im2 = ILAP(image)
%
%	Return the image after convolution with the Laplacian kernel
%		0 -1  0
%		-1 4 -1
%		0 -1  0
%
% SEE ALSO:	ilog conv2
%
%	Copyright (c) Peter Corke, 1999  Machine Vision Toolbox for Matlab


function il = ilap(im);
	mask = [0 -1 0; -1 4 -1; 0 -1 0];

	il = conv2(im, mask);