?? ilog.m
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%ILOG Laplacian of Gaussian kernel%% L = ilog(w, sigma)%% Return a Laplacian of Gaussian (LOG) kernel of width (2w+1) with% the specified sigma.%% SEE ALSO: zcross%% Copyright (c) Peter Corke, 1999 Machine Vision Toolbox for Matlab% Peter Corke 1996function il = ilog(w, sigma) [x,y] = meshgrid(-w:w, -w:w); il = -1/(2*pi*sigma^4) * (2 - (x.^2 + y.^2)/sigma^2) .* ... exp(-(x.^2+y.^2)/(2*sigma^2));
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