VR-FuseNet: A Fusion of Heterogeneous Fundus Data and Explainable Deep Network for Diabetic Retinopathy Classification. - Shamim Rahim Refat; Ziyan Shirin Raha; Shuvashis Sarker; Faika Fairuj Preotee; MD. Musfikur Rahman; Tashreef Muhammad; Mohammad Shafiul Islam (CoRR, 2025)