et. al. S. Eminent Identification And Segmentation Of Optic Disk In Digital Fundus Images Using Marr- Hildreth Operator. TURCOMAT [Internet]. 2021 May 7 [cited 2025 Nov. 14];12(10):6123-8. Available from: https://turcomat.org/index.php/turkbilmat/article/view/5449