Classification and Localisation of Diabetic-Related Eye Disease

Authors:
Alireza Osareh;Majid Mirmehdi;Barry T. Thomas;Richard Markham
Affiliations:
-;-;-;-
Venue:
ECCV '02 Proceedings of the 7th European Conference on Computer Vision-Part IV
Year:
2002

Citing 8
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Abstract

Retinal exudates are a characteristic feature of many retinal diseases such as Diabetic Retinopathy. We address the development of a method to quantitatively diagnose these random yellow patches in colour retinal images automatically. After a colour normalisation and contrast enhancement preprocessing step, the colour retinal image is segmented using Fuzzy C-Means clustering. We then classify the segmented regions into two disjoint classes, exudates and non-exudates, comparing the performance of various classifiers. We also locate the optic disk both to remove it as a candidate region and to measure its boundaries accurately since it is a significant landmark feature for ophthalmologists. Three different approaches are reported for optic disk localisation based on template matching, least squares arc estimation and snakes. The system could achieve an overall diagnostic accuracy of 90.1% for identification of the exudate pathologies and 90.7% for optic disk localisation.