@article{reciprocaldistancetransformmapsforcrowd,
  title = {Focal Inverse Distance Transform Maps for Crowd Localization},
  author = {Dingkang Liang and Wei Xu and Yingying Zhu and Yu Zhou},
  year = {2021},
  eprint = {2102.07925},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2102.07925v3},
}