@article{anintelligentextraversionanalysisscheme,
  title = {An Intelligent Extraversion Analysis Scheme from Crowd Trajectories for Surveillance},
  author = {Wenxi Liu and Yuanlong Yu and Chun-Yang Zhang and Genggeng Liu and Naixue Xiong},
  year = {2018},
  eprint = {1809.10398},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1809.10398v2},
}