ConceptHallucination
Hallucinated Description
An error mode in which a multimodal model generates descriptions of content that does not exist in the input. It is one of the core failure types in evaluating the reliability of vision-language models.
Timeline (last 90 days)
Oct 12
OmniCapBench can diagnose four typical failure modes: temporal localization failure, identity drift, cross-modal misalignment, and hallucinated description.
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