Edge detection and filling

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Federico Uribe 2019-9-5

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https://ww2.mathworks.cn/matlabcentral/answers/479104-edge-detection-and-filling

评论： Federico Uribe 2019-9-6

I have an image and im trying to get the edges and filled the spaces, I have been trying with imfill, but the issue is that when i use the function edge, it doesn't detect the sides, any ideas on how to do it? thanks

this is the image

and i need it to be like this

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Answer 1

Image Analyst 2019-9-5

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https://ww2.mathworks.cn/matlabcentral/answers/479104-edge-detection-and-filling#answer_390589

I'd try adaphisteq() to flatten the shading across the image. Then use a global threshold, then call imfill().

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Federico Uribe 2019-9-6

Thank you Analyst, I just try it and I´m getting a better image, really close to what im looking for, however im still mising a little bit on the side and getting some pixels that are nos supposed to be on the image, should I'm using bwareaopen to get rid of them, but at the same time I´m losing some pixels on the side.

Thanks

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