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Direct Preference Optimization of Video Large Multimodal Models from Language Model Reward
April 2, 2024, 7:48 p.m. | Ruohong Zhang, Liangke Gui, Zhiqing Sun, Yihao Feng, Keyang Xu, Yuanhan Zhang, Di Fu, Chunyuan Li, Alexander Hauptmann, Yonatan Bisk, Yiming Yang
cs.CV updates on arXiv.org arxiv.org
Abstract: Preference modeling techniques, such as direct preference optimization (DPO), has shown effective in enhancing the generalization abilities of large language model (LLM). However, in tasks involving video instruction-following, providing informative feedback, especially for detecting hallucinations in generated responses, remains a significant challenge. Previous studies have explored using large large multimodal models (LMMs) as reward models to guide preference modeling, but their ability to accurately assess the factuality of generated responses compared to corresponding videos has …
abstract arxiv challenge cs.ai cs.cv direct preference optimization feedback generated hallucinations however language language model large language large language model large multimodal models llm modeling multimodal multimodal models optimization responses tasks type video
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