et. al., Sujithra.B.S,. “Eminent Identification And Segmentation Of Optic Disk In Digital Fundus Images Using Marr- Hildreth Operator”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 10 (May 7, 2021): 6123–6128. Accessed April 29, 2024. https://turcomat.org/index.php/turkbilmat/article/view/5449.