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News/CaC: Advancing Video Reward Models via Hierarchical Spatiotemporal Concentrating
arxiv
PublishedMay 29, 2026 at 4:00 AM
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CaC: Advancing Video Reward Models via Hierarchical Spatiotemporal Concentrating

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arXiv:2605.11723v2 Announce Type: replace-cross Abstract: In this paper, we propose Concentrate and Concentrate (CaC), a coarse-to-fine anomaly reward model based on Vision-Language Models. During inference, it first conducts a global temporal scan to anchor anomalous time windows, then performs fin

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