Abstract
Over the last few decades, analysis of retinal vascular images has gained its popularity among the cyber scientists. Retina is unique in nature because of its most important feature, bifurcation & crossover points, serving reliable authentication basis. Using these two points many problem of authentication could be handled easily. Literature has shown that in a retinal vascular structure, bifurcation& crossover points need to be separated for the purpose of authentication. With this motivation in mind, we propose a novel method to segregate vascular bifurcation points from crossover points in any retinal image by analyzing neighborhood connectivity of nonvascular regions around a junction point on retinal blood vessels.
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