Extraction of Retinal Blood Vessels in Colour Retinal Images: An Analysis

Rajesh I S, Bharathi Malakreddy A, Maithri C, Manjunath Sargur Krishnamurthy, Shashidhara M S

Abstract: Medical imaging is the process of visualizing the interior components of the human body for diagnostic purposes. Nowadays medical imaging has become a very essential tool in the medical field. In medical imaging, digital image processing and pattern recognition techniques help in finding retinal diseases. In retinal image analysis changes in retinal Blood Vessels (BVs) aids in identifying retinal vascular diseases such as Diabetic Retinopathy (DR), Macular Edema and Glaucoma. In this review article, a concise introduction to retinal blood vessels is provided, and segmentation methods and techniques are described in detail. This paper also addresses the segmentation of BVs - related issues.

Keywords: Diabetic Retinopathy (DR), Diabetic Maculopathy (DM), Blood Vessels (BVs)