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which filter the function "imgradientxy" use ??

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Abdelrahiem Hashem
Abdelrahiem Hashem 2017-9-27
回答： Jan 2017-9-27
I use function "imgradientxy", but I need to know which filter it uses? and the difference between it and the function "imgradient"??

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Jan
Jan 2017-9-27
According to the documentation:
doc imgradientxy
the default method is: 'sobel' (default)
While imgradient calculates the gradient for each pixel with magnitude and direction, imgradientxy calculates the gradients in the fixed X and Y directions.

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