@article{smacseglidarpanopticsegmentationvia,
  title = {SMAC-Seg: LiDAR Panoptic Segmentation via Sparse Multi-directional Attention Clustering},
  author = {Enxu Li and Ryan Razani and YiXuan Xu and Liu Bingbing},
  year = {2021},
  eprint = {2108.13588},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2108.13588v1},
}