@article{cnnbaseddensityestimationandcrowd,
  title = {CNN-based Density Estimation and Crowd Counting: A Survey},
  author = {Guangshuai Gao and Junyu. Gao and Qingjie Liu and Qi. Wang and Yunhong Wang},
  year = {2020},
  eprint = {2003.12783},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2003.12783v1},
}