., N., D. Devaraj, and S. C. P. Kumar. “Vessels Segmentation In Diabetic Retinopathy By Adaptive Median Thresholding”. The International Journal of Science & Technoledge, vol. 1, no. 7, July 2013, http://internationaljournalcorner.com/index.php/theijst/article/view/128061.