Hello. I was debugging my code and ran into something I don’t understand. When using imfilter (and imfilter!) from ImageFiltering on a simple zero and one matrix the output matrix is scrambled in a specific way. The rows and columns I’d expect to be the first and second are wrapped around as last…

Strange ImageFiltering.imfilter behaviour. (differs from matlab)

GunnarFarneback March 29, 2020, 4:37pm 2

You are missing ImageFiltering.centered. With ker = centered([0.5, 2, 0.5]) it should look more like you expect.

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