@article{thevisualsocialdistancingproblem,
  title = {The Visual Social Distancing Problem},
  author = {Marco Cristani and Alessio Del Bue and Vittorio Murino and Francesco Setti and Alessandro Vinciarelli},
  year = {2020},
  eprint = {2005.04813},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2005.04813v1},
}