S. . Gupta, B. . Puthillath, M. . Sharma, K. S. . Wagh, and S. K. . Wagh, “An Operative Approach for Effective Segmentation of Retinal Blood Vessels Based on Multilevel DNN”, Int J Intell Syst Appl Eng, vol. 11, no. 8s, pp. 311–318, Jul. 2023.