Dongming Zhang

State Key Laboratory of Communication Content Cognition, People’s Daily Online

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Multimodal Models (1)RLHF & Preference Learning (1)

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Zhi Zheng (1)Zheren Fu (1)Zhiyuan Yao (1)Chunxiao Liu (1)Zhendong Mao (1)

Papers (1)

Jul 15, 2026

Jul 15, 2026·also State Key Laboratory of Communication Content Cognition, Xiaomi Corporation

Groc-PO: Grounded Context Preference Optimization for Truthful Multimodal LLMs

Explicitly optimizing grounded context at multiple stages can dramatically reduce hallucinations and enhance the reliability of multimodal reasoning in LLMs.

Zhi Zheng, Zheren Fu, Zhiyuan Yao +3

Multimodal Models RLHF & Preference Learning

Dongming Zhang

Research focus

Frequent co-authors

Papers (1)

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Dongming Zhang

Research focus

Frequent co-authors

Papers (1)