@article{lc2lidarcameraloopconstraintsforcross,
  title = {(LC)$^2$: LiDAR-Camera Loop Constraints For Cross-Modal Place Recognition},
  author = {Alex Junho Lee and Seungwon Song and Hyungtae Lim and Woojoo Lee and Hyun Myung},
  year = {2023},
  eprint = {2304.08660},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2304.08660v1},
}