Haonan Fan
1 indexed paper
Recent (6 mo)
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126
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Vision×1AI×1NLP×1Multimedia×1
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Research Timeline
2026
VCap: Hypergeometric Rewards for Weak-to-Strong Visual Captioning
VCap introduces a novel Witness-Adjudicator reward mechanism that provides highly precise, factually grounded feedback for visual captioning, enabling state-of-the-art performance in RL-trained multimodal models.
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Papers
cs.CVcs.AIcs.CLRecentMay 27, 2026
VCap: Hypergeometric Rewards for Weak-to-Strong Visual Captioning
Xingyu Lu, Jinpeng Wang, Yi-Fan Zhang, Yankai Yang +12 more
VCap introduces a novel Witness-Adjudicator reward mechanism that provides highly precise, factually grounded feedback for visual captioning, enabling state-of-the-art performance in RL-trained multim…
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