Separating Objects in Binary Image

Lukas Schmitt

2021 4 10

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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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Image Analyst 2021-4-10

在 MATLAB Online 中打开

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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.