how to cut out circle from an eye image

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I used imfindcircle and viscircle functions to to detect the iris circle .How do I extract the circle from the image ? I tried using masks ,but it said the matrix dimensions of image and mask didnot match.Please help! :)

回答(1 个)

Spandan Tiwari
Spandan Tiwari 2013-3-20
Can you show some code that you tried.

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