@article{rpointhopagreenaccurateandunsupervised,
  title = {R-PointHop: A Green, Accurate, and Unsupervised Point Cloud Registration Method},
  author = {Pranav Kadam and Min Zhang and Shan Liu and C. -C. Jay Kuo},
  year = {2021},
  eprint = {2103.08129},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2103.08129v3},
}