How to compute edge map from the image gradients?

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D.Regan
D.Regan 2017-10-10
回答： Constantino Carlos Reyes-Aldasoro 2022-10-4
I need edge map like canny output from image gradients. I got image gradients from imgradient of matlab. Then how to find the edge map from?

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Constantino Carlos Reyes-Aldasoro
It would help if you could add figures illustrating your problem.

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