@article{actionunderstandingwithmultipleclassesof,
  title = {Action Understanding with Multiple Classes of Actors},
  author = {Chenliang Xu and Caiming Xiong and Jason J. Corso},
  year = {2017},
  eprint = {1704.08723},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1704.08723v1},
}