Segmentation of iris in eye image

Hi everyone.

I have problem here. How can I segment eye image? What code should i use?

Here I attached an eye image without segmentation and another one with segmentation (edit). I don't know how to segment it using matlab. I hope anyone can help me with this.

Answer 1

[Image Analyst]

Check the iris recognition section here in Vision Bibliography for algorithms.

Or you can click on the iris tag on the right hand side of this page.

If you have any trouble, attach your non-working code.

Did you try imfindcircles()?

[syahira samsudin]

before this i used Libor Masek code to segment the eye image. Libor Masek code if i not mistaken fix for casia eye image but my eye image is from google image because my project must use abnormal eye image (cornea arcus) so i tried to change the radius of upper iris, lower iris, upper pupil and also lower pupil for it to detect the abnormal eye image. but nothing happen.

do have any suggestion/solution?

i will try imfindcircles as you mentioned. thank you so much