Title
Automatic identification of vessel crossovers in retinal images
Abstract
Crossovers and bifurcations are interest points of the retinal vascular tree useful to diagnose diseases. Specifically, detecting these interest points and identifying which of them are crossings will give us the opportunity to search for arteriovenous nicking, this is, an alteration of the vessel tree where an artery is crossed by a vein and the former compresses the later. These formations are a clear indicative of hypertension, among other medical problems. There are several studies that have attempted to define an accurate and reliable method to detect and classify these relevant points. In this article, we propose a new method to identify crossovers. Our approach is based on segmenting the vascular tree and analyzing the surrounding area of each interest point. The minimal path between vessel points in this area is computed in order to identify the connected vessel segments and, as a result, to distinguish between bifurcations and crossovers. Our method was tested using retinographies from public databases DRIVE and VICAVR, obtaining an accuracy of 90%.
Year
DOI
Venue
2014
10.1117/12.2181376
Proceedings of SPIE
Keywords
Field
DocType
Retinal images,vessel segmentation,vessel crossovers,arteriovenous nicking
Vessel segmentation,Computer vision,Computer science,Artificial intelligence,Retinal,Arteriovenous nicking
Conference
Volume
ISSN
Citations 
9445
0277-786X
0
PageRank 
References 
Authors
0.34
6
4
Name
Order
Citations
PageRank
L Sánchez101.35
Noelia Barreira218217.47
Manuel G. Penedo328424.93
Brais Cancela4669.19