'Marr hildreth edge detector' presentation slideshows

Find the location of the points as follows: w=[-1 -1 -1; -1 8 -1; -1 -1 -1];

Find the location of the points as follows: w=[-1 -1 -1; -1 8 -1; -1 -1 -1]; g=abs(imfilter ( double(f), w); T=max(g(:)); g=g >=T; imshow(g);. w=[2 -1 -1;-1 2 -1; -1 -1 2]; g=imfilter(double(f), w); imshow(g, []) %Fig.10.4-b g=abs(g( :)); figure, imshow(g, [ ]) % Fig.10-4-e

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