Image Processing: Remove double edges

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Philip
Philip 2011-6-1
Is there a way to remove edges that appear twice in an image?
For example, for some edges, the 1D neighbourhood may look like:
1 0 1
where the 1's represent the edges. Is there a way to remove the right-hand edge when this happens so that I am left with simply:
1 0 0
Perhaps a convolution of some sort would work, but I am unsure how to do this in MATLAB...
Thanks for your help!

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回答（1 个）

Jonas Reber
Jonas Reber 2011-6-6
you could take another derivative (2nd) and only keep the positive values
1 0 1 => 0 -1 1 (depenting on the direction you are coming from)

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