AI RESEARCH
Deterministic Hallucination Detection in Medical VQA via Confidence-Evidence Bayesian Gain
arXiv CS.AI
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ArXi:2603.21693v1 Announce Type: new Multimodal large language models (MLLMs) have shown strong potential for medical Visual Question Answering (VQA), yet they remain prone to hallucinations, defined as generating responses that contradict the input image, posing serious risks in clinical settings.