How to apply Daugman's Integro differential operator on eye image to segment out iris portion?

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Kanwarpreet on 8 Nov 2014

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https://www.mathworks.com/matlabcentral/answers/161822-how-to-apply-daugman-s-integro-differential-operator-on-eye-image-to-segment-out-iris-portion

Commented: Image Analyst on 8 Nov 2014

Hi, i am work on iris segmentation, in which i have to apply Daugman's integro differential operator to segment out the iris portion from the eye image. The equation of Daugman's operator is in the picture attached. If somebody can help me out to apply this equation as i have tried a lot but failed every time. If somebody can get me out of this,please? Please provide me with some hints.