@article{chipcrossmodalhierarchicaldirect,
  title = {CHiP: Cross-modal Hierarchical Direct Preference Optimization for Multimodal LLMs},
  author = {Jinlan Fu and Shenzhen Huangfu and Hao Fei and Xiaoyu Shen and Bryan Hooi and Xipeng Qiu and See-Kiong Ng},
  year = {2025},
  eprint = {2501.16629},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2501.16629v1},
}