一作ICLR 2026Poster· Computer Vision / Vision Models & Multimodal
Importance Sampling for Multi-Negative Multimodal Direct Preference Optimization
Xintong Li · Chuhan Wang · Junda Wu · Rohan Surana · Tong Yu · Julian McAuley · Jingbo Shang
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Xintong Li · Chuhan Wang · Junda Wu · Rohan Surana · Tong Yu · Julian McAuley · Jingbo Shang
Chuhan Wang · Xintong Li · Jennifer Yuntong Zhang · Junda Wu · Chengkai Huang · Lina Yao · Julian J. McAuley · Jingbo Shang
Multimodal large language models often struggle with faithful reasoning in complex visual scenes, where intricate entities and relations require precise visual grounding at each step. This reasoning unfaithfulness frequently manifests as hallucinated entities, mis-grounded relations, skipped step...