Help with cropping a binary image?

I have this binary image:
How do I crop exactly to the outline of the fist?

回答(1 个)

Spandan Tiwari
Spandan Tiwari 2014-2-8
Use IMCOMPLEMENT to invert the polarity of the binary images so that the object (fist) is white. Then use BWBOUNDARIES to get the boundary pixels of the object.

3 个评论

Thank you! But can you show me how bwboundaries works?
boundaries = bwboundaries(~binaryImage);
but that gets you the outline coordinates of the fist. Is that what you want, or do you want the bounding box?
No, I just want the outline! How do I crop it after getting the coordinates? imcrop(?)?

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