Separation of the Retinal Vascular Graph in Arteries and Veins

author: Kai Rothaus, University of Münster
published: July 11, 2007,   recorded: June 2007,   views: 4136


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The vascular structure of the retina consists of two kinds of vessels: arteries and veins. Together these vessels form the vascular graph. In this paper we present an approach to separating arteries and veins based on a pre-segmentation and a few hand-labelled vessel segments. We use a rule-based method to propagate the vessel labels through the vascular graph. We embed this task as double-layered constrained search problem steered by a heuristical AC-3 algorithm to overcome the NPhard computational complexity. Results are presented on vascular graphs generated from hand-made as well as on automatical segmentation.

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