A Survey on Optic Disc Localization Methodologies in Retinal Images

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J.Benadict Raja


Optic disk segmentation is important for detecting clinical features of Diabetic Retinopathy such as microaneurysms, hard exudates, soft exudates, hemorrhages, neovascularization and macular edema. This paper examines the optic disk localization methodologies in two dimensional retinal images acquired from a fundus camera. The aim of this paper is to review and categorize the optic disc localization techniques and methodologies. The performance of the methods is compared and analyzed on two publicly available DRIVE and STARE databases. We intend to give the reader a frame work for the existing research and discuss the current trends and future direction.


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