A Fair Evaluation of Lightweight CNNs and Ordinal Regression for Diabetic Retinopathy Grading: The Double-Rebalancing Pitfall
Diabetic retinopathy (DR) is a leading cause of preventable blindness worldwide, affecting approximately one-third of diabetic patients. Early detection through automated retinal screening systems can significantly reduce the burden of vision loss. In this study, we present a comparative analysis of three lightweight c...