arxivcs.CV2026-07-12
RED-Sphere: Hyperspherical Residual Edge Debiasing for Cross-Population Fundus Disease Domain Generalization
Yan Lin, Ziheng Wang, Shuang Chen, Amir Atapour-Abarghouei, Stephen McGough
Medical image classifiers are often trained within one source population, yet clinical deployment requires robustness to patients whose appearance, acquisition style, and disease prevalence differ from the source cohort. Existing fairness and robustness methods often require grou…