HERO: Hierarchical Evidential Reasoning Optimization for Radiology Report Generation via Reason-then-Summarize
Published in arXiv:2601.03321; under review at AAAI 2027, 2026
HERO develops factorized GRPO credit assignment for evidence-grounded radiology generation. Access the paper.
Recommended citation: Kun Zhao, Guodong Liu, Hui Ji, Siyuan Dai, Pan Wang, Jifeng Song, Chenghua Lin, Liang Zhan, Haoteng Tang, "HERO: Hierarchical Evidential Reasoning Optimization for Radiology Report Generation via Reason-then-Summarize." arXiv:2601.03321, 2026.
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