@ARTICLE{10059224,
  author={Zeng, Qinyang and Liu, Chengju and Liu, Ming and Chen, Qijun},
  journal={IEEE Transactions on Multimedia}, 
  title={Contrastive 3D Human Skeleton Action Representation Learning via CrossMoCo with Spatiotemporal Occlusion Mask Data Augmentation}, 
  year={2023},
  volume={},
  number={},
  pages={1-11},
  doi={10.1109/TMM.2023.3253048}}