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Proceedings Paper

Optimal filter approach for the detection of vessel bifurcations in color fundus images
Author(s): Qiao Hu; Mona K. Garvin; Mark A. Christopher; Xiayu Xu; T. E. Scheetz; Michael D. Abramoff
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Paper Abstract

Bifurcations of retinal vessels in fundus images are important structures clinically and their detection is also an important component in image processing algorithms such as registration, segmentation and change detection. In this paper, we develop a method for direct bifurcation detection based on the optimal filter framework. This approach first generates a set of filters to represent all cases of bifurcations, and then uses them to generate a feature space for a classifier to distinguish bifurcations and non-bifurcations. This approach is different from previous methods as it uses a minimal number of assumptions, essentially only requiring training images and expert annotations of bifurcations. The method is trained on 60 fundus images and tested on 20 fundus images, resulting in an AUC of 0.883, which compares well to a human expert.

Paper Details

Date Published: 13 March 2013
PDF: 7 pages
Proc. SPIE 8669, Medical Imaging 2013: Image Processing, 866920 (13 March 2013); doi: 10.1117/12.2007088
Show Author Affiliations
Qiao Hu, The Univ. of Iowa (United States)
Mona K. Garvin, The Univ. of Iowa (United States)
Iowa City VA Medical Ctr. (United States)
Mark A. Christopher, The Univ. of Iowa (United States)
Xiayu Xu, The Univ. of Iowa (United States)
T. E. Scheetz, The Univ. of Iowa (United States)
Michael D. Abramoff, The Univ. of Iowa (United States)
Iowa City VA Medical Ctr. (United States)
The Univ. of Iowa Hospitals and Clinics (United States)

Published in SPIE Proceedings Vol. 8669:
Medical Imaging 2013: Image Processing
Sebastien Ourselin; David R. Haynor, Editor(s)

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