Image Fundus Classification System for Diabetic Retinopathy Stage Detection Using Hybrid CNN-DELM. - Dian Candra Rini Novitasari; Fatmawati Fatmawati; Rimuljo Hendradi; Hetty Rohayani; Rinda Nariswari; Arnita Arnita; Moch Irfan Hadi; Rizal Amegia Saputra; Ardhin Primadewi (Big Data Cogn. Comput., 2022)