@article{unsupervisedvisualchainofthought,
  title = {Unsupervised Visual Chain-of-Thought Reasoning via Preference Optimization},
  author = {Kesen Zhao and Beier Zhu and Qianru Sun and Hanwang Zhang},
  year = {2025},
  eprint = {2504.18397},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2504.18397v1},
}