@ARTICLE{10054465,
  author={Du, Zexing and Wang, Xue and Wang, Qing},
  journal={IEEE Transactions on Circuits and Systems for Video Technology}, 
  title={Self-Supervised Global Spatio-Temporal Interaction Pre-Training for Group Activity Recognition}, 
  year={2023},
  volume={33},
  number={9},
  pages={5076-5088},
  doi={10.1109/TCSVT.2023.3249906}}