Author

Jin-Hao Chen

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Review Sep 2026

Grounding with Confidence: Controllable Generative Video Temporal Grounding

Video temporal grounding supports applications such as video search, content review, and automated editing by localizing events described in natural language. Yet existing generative models typically output timestamps without explicit interval-level confidence scores to guide candidate selection. We separate candidate...

Jin-Hao Chen, Ben-Lei Cui, Rui-Jian Jia et al. · 0 citations

Preprint Aug 2026

MetaVideoAgent: Automated Video-Agent Evolution for Long-Form Video Understanding

Long-form video understanding requires locating sparse, question-relevant evidence in long, multimodal videos. Real-world video distributions differ in modality-specific information density, content structure, and evidence patterns, causing fixed video-agent designs to incur redundant processing or fail when mismatched...

Ben-Lei Cui, Ruize Wang, Junjie Li et al. · 1 citation