Author

Sihan Chen

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Preprint Jul 2026

MoHallBench: A Benchmark for Motion Hallucination in Video Large Language Models

MoHallBench is presented, a benchmark for diagnosing motion hallucination in VideoLLMs that systematically evaluates three major sources of hallucination: co-occurrence priors, sequential inference, and similarity confusion, and confirms that stronger priors and finer-grained similarity substantially amplify hallucination.

Sihan Chen, Jiale Li, Jianghang Lin et al. · 0 citations