Homogeneous Semantic Alignment and Hierarchical Expert Routing for Radiology Report Generation

arXiv:2610.04499 · cs.CV, cs.CL, cs.LG · Submitted 2026-10-03 · Read on arXiv

cs.CV, cs.CL, cs.LG

Submitted: 2026-10-03

Updated: 2026-10-03

Code: https://github.com/yyYuyao/HSA-HER

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Alignment — 1× in this paper · explained in 1 episode
• Semantic Alignment — 1× in this paper · explained in 3 episodes

Sources

• CheXpert Plus: Augmenting a Large Chest X-ray Dataset with Text Radiology Reports, Patient Demographics and Additional Image Formats
• RadGraph: Extracting Clinical Entities and Relations from Radiology Reports
• CheXbert: Combining Automatic Labelers and Expert Annotations for Accurate Radiology Report Labeling Using BERT
• Llama 2: Open Foundation and Fine-Tuned Chat Models

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