@inproceedings{shu20233dppe,
  title={3dppe: 3d point positional encoding for transformer-based multi-camera 3d object detection},
  author={Shu, Changyong and Deng, Jiajun and Yu, Fisher and Liu, Yifan},
  booktitle={ICCV},
  pages={3580--3589},
  year={2023}
}