@inproceedings{dai2022unbiased,
  title={Unbiased iou for spherical image object detection},
  author={Dai, Feng and Chen, Bin and Xu, Hang and Ma, Yike and Li, Xiaodong and Feng, Bailan and Yuan, Peng and Yan, Chenggang and Zhao, Qiang},
  booktitle={Proceedings of the AAAI Conference on Artificial Intelligence},
  volume={36},
  number={1},
  pages={508--515},
  year={2022}
}