mDPO: Conditional Preference Optimization for Multimodal Large Language Models Fei Wang author Wenxuan Zhou author James Y Huang author Nan Xu author Sheng Zhang author Hoifung Poon author Muhao Chen author 2024-11 text Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing Yaser Al-Onaizan editor Mohit Bansal editor Yun-Nung Chen editor Association for Computational Linguistics Miami, Florida, USA conference publication wang-etal-2024-mdpo 10.18653/v1/2024.emnlp-main.460 https://aclanthology.org/2024.emnlp-main.460/ 2024-11 8078 8088