Description: There are different m files for different filter to use.
perwit.m:=uses window Wx=[1 0 -1 1 0 -1]/3
and Wy=Wx and then convolves this window with the image.
sobel.m:=uses window W=[1 0 -1 2 0 -2 1 0 -1]/4
lablacian.m=uses window W=[0 1 0 1 -4 1 0 1 0]
convolve.m=convolves window and image
To Search:
File list (Check if you may need any files):
convolve.m
perwitt.m
sobel.m
laplacian.m
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