Retinal Vessel Segmentation Techniques: A Review

Image Segmentation is a process of partitioning a digital image into multiple segments. Retinal Vessel segmentation is a procedure to extract the various blood vessels to diagnose various diseases such as diabetic retinopathy. Most of the diabetic patients generally have retinopathy disorders that can be seen by vessel segmentation. In this paper, various techniques have been evaluated and it has been observed that retinal vessel segmentation using hybrid filters is the best technique in terms of accuracy.