Author

Ethan Fetaya

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Preprint Aug 2026

UniProbe: A Learnable Token-Level Hallucination Detector for Large VLMs using Multi-Structural Internal Representations

UniProbe is introduced, a lightweight, unified, learnable detector that models a frozen LVLM's heterogeneous computational trace from a single forward pass and achieves state-of-the-art token-level and object-hallucination detection.

Dvir Samuel, Guy Bar-Shalom, Fabrizio Frasca et al. · 0 citations