Author

Peng-Fei Wei

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Preprint Oct 2026

Representation--Behavior Alignment for Explainable Weakly-Supervised Video Anomaly Detection

Multimodal Large Language Models (MLLMs) provide a natural way to make video anomaly detection more explainable. However, their final decisions do not always fully use the discriminative information contained in their hidden states, an issue we refer to as representation--behavior misalignment. We decompose this gap in...

Chao Huang, Peng-Fei Wei, Kai-Ge Li et al. · 0 citations

#small language model Preprint Oct 2026

RoMod: Temporal Routing Modulation via Mixture-of-Experts for Video Anomaly Detection

RoMod is proposed, an efficient VAD framework trained with only \(5\%\) of weakly labeled videos that achieves state-of-the-art performance while running substantially faster than dense backbones of comparable size.

Chao Huang, Peng-Fei Wei, Ben-Feng Wang et al. · 0 citations