Separating Objects in Binary Image

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Lukas Schmitt 2021-4-10

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https://ww2.mathworks.cn/matlabcentral/answers/798237-separating-objects-in-binary-image

评论： Lukas Schmitt 2021-4-10

采纳的回答： Image Analyst

image.jpg

Hey there,

I'd like to separate the objects from the surrounding circle. I would choose operations like imopen, but the area of all objects within the circle should remain the same. I do not need the circle.

Thanks for your help!

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采纳的回答

Image Analyst 2021-4-10

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/798237-separating-objects-in-binary-image#answer_672072

在 MATLAB Online 中打开

Call imfill() and then imerode(). Then mask it: Untested code

mask2 = imfill(mask1, 'holes');
se = strel('disk', 3, 0); % Adjust 3 as needed to erase outer ring.
mask2 = imerode(mask2, se);
mask1(~mask2) = false; % Erase outside of mask, which will erase the outer ring.