how to cut out circle from an eye image

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Rosna
Rosna il 13 Mar 2013
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! :)

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Spandan Tiwari
Spandan Tiwari il 20 Mar 2013
Can you show some code that you tried.

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