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April 25th, 2016, 05:22 AM   #1
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How to do this image transformation?

I have an image with a colorized blob that has fuzzy edges (on top), and I want to create an outline for it made of straight lines (bottom): http://i.imgur.com/cJq0uui.jpg.

I don't really need to fill it, just adding outlines will do. Can be turned into a black & white image.

Can anyone point me to a simple transformation / procedure that can do it? Preferably something can I could easily find a code example for.

Thank you
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June 18th, 2016, 06:34 AM   #2
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What, precisely, do you mean by "outline"? You will need to be able to state that clearly before you can do this.
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