arXiv Computer Vision By Mossa Manisa, Habiba Jahan Priya, A. K. M. Fakhrul Hossain

Knowledge distillation across teacher architectures for compact diabetic retinopathy grading

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The study evaluates offline response-based knowledge distillation for five-class diabetic retinopathy grading on the APTOS 2019 dataset. Five teacher architectures—ResNet‑50, MobileNetV3‑Large, and Swin Transformer‑Tiny—were distilled into a MobileNetV3‑Small student, exploring a grid of teacher, temperature, and hard‑label weight settings. The best configuration achieved a quadratic weighted kappa of 0.9093 (macro‑F1 0.6851) on a single seed, with an average kappa of 0.9024 across three seeds, while reducing parameters by 18.07× compared to the Swin‑T teacher.

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