A refined ResNet18 architecture with Swish activation function for Diabetic Retinopathy classification. - Serena Sunkari; Ashish Sangam; Venkata Sreeram P.; M. Suchetha 001; Rajiv Raman 004; Ramachandran Rajalakshmi; Tamilselvi S. (Biomed. Signal Process. Control., 2024)