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VideoTemp-o3: Harmonizing Temporal Grounding and Video Understanding in Agentic Thinking-with-Videos

arXiv – CS AI|Wenqi Liu, Yunxiao Wang, Shijie Ma, Meng Liu, Qile Su, Tianke Zhang, Haonan Fan, Changyi Liu, Kaiyu Jiang, Jiankang Chen, Kaiyu Tang, Bin Wen, Fan Yang, Tingting Gao, Han Li, Yinwei Wei, Xuemeng Song|March 4, 2026 at 05:00 AM|1 views

🤖AI Summary

Researchers introduce VideoTemp-o3, a new AI framework that improves long-video understanding by intelligently identifying relevant video segments and performing targeted analysis. The system addresses key limitations in current video AI models including weak localization and rigid workflows through unified masking mechanisms and reinforcement learning rewards.

Key Takeaways

→VideoTemp-o3 uses an agentic thinking-with-videos approach that actively identifies relevant video segments rather than uniform sampling
→The framework jointly models video grounding and question answering in a unified system with strong localization capabilities
→Researchers developed a specialized training pipeline with masking mechanisms and reinforcement learning to prevent noise and reward hacking
→The system can refine inaccurate localizations and supports on-demand video clipping for more flexible analysis
→A new benchmark for long video grounded QA evaluation across various video durations was created alongside the framework

#video-ai #computer-vision #machine-learning #video-understanding #reinforcement-learning #research #arxiv

Read Original →via arXiv – CS AI

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