3 years ago

A Graph Cut Approach to Artery/Vein Classification in Ultra-Widefield Scanning Laser Ophthalmoscopy.

Emanuele Trucco, Jano van Hemert, Gavin Robertson, Tom MacGillivray, Graeme Houston, Enrico Pellegrini
The classification of blood vessels into arterioles and venules is a fundamental step in the automatic investigation of retinal biomarkers for systemic diseases. In this paper we present a novel technique for vessel classification on ultra-wide-fieldof- view images of the retinal fundus acquired with a scanning laser ophthalmoscope. To our best knowledge, this is the first time that a fully automated artery/vein classification technique for this type of retinal imaging with no manual intervention has been presented. The proposed method exploits hand-crafted features based on local vessel intensity and vascular morphology to formulate a graph representation from which a globally optimal separation between the arterial and venular networks is computed by graph cut approach. The technique was tested on three different datasets (one publicly available and two local) and achieved an average classification accuracy of 0.883 in the largest dataset.

Publisher URL: http://doi.org/10.1109/TMI.2017.2762963

DOI: 10.1109/TMI.2017.2762963

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