Hough transformation for iris detection in opencv

Posted by iva123 on Stack Overflow See other posts from Stack Overflow or by iva123
Published on 2010-05-21T20:10:27Z Indexed on 2010/05/21 20:20 UTC
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Hi,

I wrote the code for iris detection and it works well. Also I can crop the eye location of a face. Now I want to detect the iris of the crop image with applying the Hough transformation(cvHoughCircle). However when I try this procedure, the system is not able to find any circle on the image. Maybe, the reason is, there are noises in the image but I don't think it's the reason. So, how can I detect the iris ? I have the code of binary thresholding maybe I can use it, but I don't know how to do ?? If anyone helps I really appreciated. thx :)

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