Dual-head training on hierarchical OA labels yields backbone-dependent gains in KL metrics, more ordered latent severity axes, and better saliency alignment with cartilage for some 3D backbones.
arXiv preprint arXiv:2603.02367 (2026)
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Learning Coarse-to-Fine Osteoarthritis Representations under Noisy Hierarchical Labels
Dual-head training on hierarchical OA labels yields backbone-dependent gains in KL metrics, more ordered latent severity axes, and better saliency alignment with cartilage for some 3D backbones.