Retinal blood vessel localization to expedite PDR diagnosis
DOI:
https://doi.org/10.21533/pen.v8.i3.1161Abstract
Ophthalmologist relies on the retinal fundus image segmentations for accurate diagnosis of Diabetic Retinopathy caused due to prolonged deterioration in retinal blood vessels. Blood vessel and optical disc localization determines the vascular alterations helpful in identifying retinal diseases with accurate identification of pathological symptoms. This work comprises evaluation of proposed Optical Disc Segmentation and blood vessel localization techniques followed by a statistical analysis using SPSS package to examine the statistical significance of the feature set utilized. Fractal dimensions explored are beneficial for Proliferative Diabetic Retinopathy (PDR) diagnosis as its value for vascular structures increases with increasing level of PDR. Two benchmark fundus image databases, DRIVE and STARE were evaluated for performance validation of proposed blood vessel localization approach and average accuracies of 96.79% and 95.68% were achieved for extracted blood vessels using the proposed approach.
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