Qiang Chen
2 indexed papers
Recent (6 mo)
2With code
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226
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Vision×1ML×1AI×1NLP×1
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2026
Hista and Numca: Estimate State Value Effectively for LLM Reinforcement Learning
This paper introduces Numca and Hista, two novel techniques that significantly improve state value estimation for LLM reinforcement learning, addressing the instability of standard critic approaches.
Explainable Forensics of Manipulated Segments in Untrimmed Long Videos
This paper addresses the challenge of detecting and explaining AI-manipulated segments within long, untrimmed videos by proposing a new benchmark and a coarse-to-fine forensic detection framework.
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Papers
cs.CVRecentJun 1, 2026
Explainable Forensics of Manipulated Segments in Untrimmed Long Videos
Yue Feng, Jingjing Li, Qijia Lu, Wei Ji +8 more
This paper addresses the challenge of detecting and explaining AI-manipulated segments within long, untrimmed videos by proposing a new benchmark and a coarse-to-fine forensic detection framework.
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cs.LGcs.AIcs.CLRecentMay 28, 2026