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Image Analysis and Modeling in Ophthalmology
book

Image Analysis and Modeling in Ophthalmology

by Eddie K. Ng, U. Rajendra Acharya, Jasjit S. Suri, Aurelio Campilho
February 2014
Intermediate to advanced content levelIntermediate to advanced
409 pages
16h 38m
English
CRC Press
Content preview from Image Analysis and Modeling in Ophthalmology
213Arteriovenous Ratio Calculation Using Image-Processing Techniques
First, all of the bifurcations and crossings between vessels are detected. To this end,
several algorithms have been proposed in the literature. Some approaches [29,30] use clas-
siers to detect these specic structures. Other approaches are based on analyzing the
topological properties of both the bifurcations and the crossings [31,32]. The rst step in
this kind of algorithm is the segmentation of the vessel tree. Afterward, a thinning pro-
cedure is performed in order to obtain the skeleton of the vessels. Then, the 1 pixel-wide
segments are joined in order to obtain the who ...
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Publisher Resources

ISBN: 9781466559387