@inproceedings{predator,
  title={PREDATOR: Registration of 3D Point Clouds with Low Overlap},
  author={Shengyu Huang and Zan Gojcic and Mikhail Usvyatsov and Andreas Wieser, Konrad Schindler},
  booktitle={IEEE Conference on Computer Vision and Pattern Recognition, CVPR},
  year={2021}
}