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AIBullisharXiv โ€“ CS AI ยท 6h ago3
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Uncertainty Quantification for Multimodal Large Language Models with Incoherence-adjusted Semantic Volume

Researchers introduce UMPIRE, a new training-free framework for quantifying uncertainty in Multimodal Large Language Models (MLLMs) across various input and output modalities. The system measures incoherence-adjusted semantic volume of model responses to better detect errors and improve reliability without requiring external tools or additional computational overhead.