K. SHIVAKUMAR. Enhanced Segmentation and Multiclassification of Fundus Images to detect Diabetic Retinopathy using a Modified Attention U-Net and CNN. International Journal of Intelligent Systems and Applications in Engineering, [S. l.], v. 12, n. 4, p. 3505 –, 2024. Disponível em: https://ijisae.org/index.php/IJISAE/article/view/6867. Acesso em: 21 sep. 2025.