How does the diagonal Sobel filter work?

M

MaxSurm2016-01-14 23:08:51

Mathematics

MaxSurm, 2016-01-14 23:08:51

Tell me how you can implement a Sobel filter in Matlab that will work not along x or y, but diagonally. Links to helpful articles would be very helpful.

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1 answer(s)

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Vasily, 2016-01-15
@Foolleren

just rotate the convolution matrix by 45 degrees

2 1 0
1 0-1
0-1-2

well, respectively, on a different diagonal

0 1 2
-1 0 1
-2-1 0

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