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Digital Image Processing for OphthalmologyDetection of the Optic Nerve Head Using Phase Portraits

Digital Image Processing for Ophthalmology: Detection of the Optic Nerve Head Using Phase Portraits [The procedure to detect the center of the ONH using phase portraits is summarized in the flowchart in Figure 6.1. Because the center of the ONH is usually close to the focal point of the central retinal vein and artery, a method is described to detect the center of the ONH via the detection of the blood vessels of the retina using Gabor filters [12, 63] and detection of convergence of the vessels using phase portrait modeling [61, 66, 67, 74]. The best-fitting point for the center of the ONH is chosen by an intensity-based condition. The sections of the book that provide descriptions of the various steps are labeled in Figure 6.1.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

Digital Image Processing for OphthalmologyDetection of the Optic Nerve Head Using Phase Portraits

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Publisher
Springer International Publishing
Copyright
© Springer Nature Switzerland AG 2011
ISBN
978-3-031-00521-3
Pages
59 –73
DOI
10.1007/978-3-031-01649-3_6
Publisher site
See Chapter on Publisher Site

Abstract

[The procedure to detect the center of the ONH using phase portraits is summarized in the flowchart in Figure 6.1. Because the center of the ONH is usually close to the focal point of the central retinal vein and artery, a method is described to detect the center of the ONH via the detection of the blood vessels of the retina using Gabor filters [12, 63] and detection of convergence of the vessels using phase portrait modeling [61, 66, 67, 74]. The best-fitting point for the center of the ONH is chosen by an intensity-based condition. The sections of the book that provide descriptions of the various steps are labeled in Figure 6.1.]

Published: Jan 1, 2011

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