Human Identification by Segmentation and Enhancement of Sclera using Matlab

Sclera is the white and opaque covering of the eye. The vein structure in sclera is unique and distinct to each person. This paper proposes a recognition method for human identification (ID) using sclera as a biometric. The challenge faced is that the vein structure moves with the movement of the eye and vessel structures are often defocused and or saturated. The sclera has been consider multilayered pattern. The contributions of the paper are: ? This paper proposes a new approach for human sclera identification. ? This paper proposes a new method for sclera segmentation which works for color as well as grayscale images. ? This paper designs a Gabor wavelet based sclera pattern enhancement method to emphasize and binarize the sclera vessel pattern. ? This paper proposes a line descriptor based feature extraction, registration, and matching method.