@article{stackedpoolingimprovingcrowdcountingby,
  title = {Stacked Pooling: Improving Crowd Counting by Boosting Scale Invariance},
  author = {Siyu Huang and Xi Li and Zhi-Qi Cheng and Zhongfei Zhang and Alexander Hauptmann},
  year = {2018},
  eprint = {1808.07456},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1808.07456v1},
}