The result of the proposed inner and outer boundaries localization algorithm: (a) original RGB color iris image, (b) corresponding -component image, (c) candidate pupil region after outliers detection and morphological opening operation, (d) detected inner iris-border, (e) pupil-removed eye-image in grayscale, (f) candidate iris region after redundant areas removal, (g) edge map of (f) created by Sobel detector, (h) outer iris-border by OMT from the edge map, (i) outer iris-border after DKCF three times, (j) the best fit circle for final inliers (circle in red) and the best fit circle for points detected by OMT (circle in blue), (k) inner and outer iris-boundaries located by the proposed scheme, and (l) the detected iris region.
