@article{overcrowdednessalertforecastingthefuture,
  title = {Over-crowdedness Alert! Forecasting the Future Crowd Distribution},
  author = {Yuzhen Niu and Weifeng Shi and Wenxi Liu and Shengfeng He and Jia Pan and Antoni B. Chan},
  year = {2020},
  eprint = {2006.05127},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2006.05127v1},
}