Preprint
Aug 2026
Positive-Unlabeled Preference Optimization For Chest X-ray Report Generation
Vision-Language Models (VLMs) for radiology report generation are typically trained on retrospective clinical reports, which suffer from omission noise: clinically present findings are left unreported due to the omission of subtle findings. For example, prior studies show that cardiomegaly may be omitted from ICU chest...
Y. Kobayashi, P. Ramesh, Muhammad Ahmed Chaudhry et al.
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