@article{picpermutationinvariantconvolutionfor,
  title = {PIC: Permutation Invariant Convolution for Recognizing Long-range Activities},
  author = {Noureldien Hussein and Efstratios Gavves and Arnold W. M. Smeulders},
  year = {2020},
  eprint = {2003.08275},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2003.08275v1},
}