@misc{li2021deep,
  title={Deep Learning based Micro-expression Recognition: A Survey},
  author={Yante Li and Jinsheng Wei and Seyednavid Mohammadifoumani and Yang Liu and Guoying Zhao},
  year={2021},
  eprint={2107.02823},
  archivePrefix={arXiv},
  primaryClass={cs.CV},
  url={https://arxiv.org/abs/2107.02823}
}