@article{onlinepedestriangroupwalkingevent,
  title = {Online Pedestrian Group Walking Event Detection Using Spectral Analysis of Motion Similarity Graph},
  author = {Vahid Bastani and Damian Campo and Lucio Marcenaro and Carlo S. Regazzoni},
  year = {2019},
  eprint = {1909.01258},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1909.01258v1},
}