@misc{liu2023periodically,
  title={Periodically Exchange Teacher-Student for Source-Free Object Detection},
  author={Qipeng Liu and Luojun Lin and Zhifeng Shen and Zhifeng Yang},
  year={2023},
  eprint={2311.13930},
  archivePrefix={arXiv},
  primaryClass={cs.CV},
  url={https://arxiv.org/abs/2311.13930}
}