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Severity Grading of DME from Retina Images: A Combination of PSO and FCM with Bayes Classifier

by Sreejini K. S, V. K. Govindan
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 81 - Number 16
Year of Publication: 2013
Authors: Sreejini K. S, V. K. Govindan
10.5120/14206-2430

Sreejini K. S, V. K. Govindan . Severity Grading of DME from Retina Images: A Combination of PSO and FCM with Bayes Classifier. International Journal of Computer Applications. 81, 16 ( November 2013), 11-17. DOI=10.5120/14206-2430

@article{ 10.5120/14206-2430,
author = { Sreejini K. S, V. K. Govindan },
title = { Severity Grading of DME from Retina Images: A Combination of PSO and FCM with Bayes Classifier },
journal = { International Journal of Computer Applications },
issue_date = { November 2013 },
volume = { 81 },
number = { 16 },
month = { November },
year = { 2013 },
issn = { 0975-8887 },
pages = { 11-17 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume81/number16/14206-2430/ },
doi = { 10.5120/14206-2430 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T21:56:33.554518+05:30
%A Sreejini K. S
%A V. K. Govindan
%T Severity Grading of DME from Retina Images: A Combination of PSO and FCM with Bayes Classifier
%J International Journal of Computer Applications
%@ 0975-8887
%V 81
%N 16
%P 11-17
%D 2013
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Diabetic macular edema (DME) is the main cause of visual impairments in patients with diabetic retinopathy and leads to vision loss if left untreated. In this paper, an automatic approach for severity grading of DME is introduced. The approach involves preprocessing, combination of Particle Swarm Optimization (PSO) algorithm and Fuzzy C-Means Clustering for exudates segmentation, optic disc elimination, fovea and macular region localization, and classification. The Bayes classifier separates the lesions to exudates and non-exudates. The severity of the disease is graded into categories such as normal, grade 1 and grade 2 based on the location of exudates. Region of macula is marked by Early Treatment Diabetic Retinopathy Studies (ETDRS) grading scale. The proposed method is evaluated using 200 images of publically available MESSIDOR database and performance figures of 91% for sensitivity, 98% for specificity and 94. 5% for accuracy are obtained.

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Index Terms

Computer Science
Information Sciences

Keywords

Exudates FCM Clustering fovea macula PSO segmentation severity of DME

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