Noncooperative Iris Segmentation
El–Sayed M. E. Mostafa, Maher Mansour · 2012
In noncooperative iris recognition one should deal with uncontrolled behavior of the subject as well as uncontrolled lighting conditions. That means eyelids and eyelashes occlusion, non uniform intensities, reflections, imperfect focus, and orientation among the others are to be considered. To cope with this situation a noncooperative iris segmentation algorithm based on numerically stable direct least squares fitting of ellipses model and modified Chan-Vese model (local binary fitting energy) with variational level set formulation is to be proposed. The proposed algorithm is tested using CASIA-IrisV3.