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Determination of foveal avascular zone in diabetic retinopathy digital fundus images

Ahmad Fadzil, Mohd Hani (2010) Determination of foveal avascular zone in diabetic retinopathy digital fundus images. Computers in Biology and Medicine, 40 (7). pp. 657-664. ISSN 00104825

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Official URL: http://www.elsevier.com/

Abstract

Monitoring FAZ area enlargement enables physicians to monitor progression of the DR. At present, it is difficult to discern the FAZ area and to measure its enlargement in an objective manner using digital fundus images. A semi-automated approach for determination of FAZ using color images has been developed. Here, a binary map of retinal blood vessels is computer generated from the digital fundus image to determine vessel ends and pathologies surrounding FAZ for area analysis. The proposed method is found to achieve accuracies from 66.67% to 98.69% compared to accuracies of 18.13-95.07% obtained by manual segmentation of FAZ regions from digital fundus images

Item Type:Article
Impact Factor:SJR (2011): 0.066 SNIP (2011): 1.310
Subjects:R Medicine > RE Ophthalmology
Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Departments / MOR / COE:Centre of Excellence > Center for Intelligent Signal and Imaging Research
Departments > Electrical & Electronic Engineering
Mission Oriented Research > Health
ID Code:4281
Deposited By: Prof Ir Dr Ahmad Fadzil Mohd Hani
Deposited On:21 Nov 2011 06:29
Last Modified:21 Mar 2014 22:02

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