@article{wang2015micro,
  title={Micro-expression recognition using color spaces},
  author={Wang, Su-Jing and Yan, Wen-Jing and Li, Xiaobai and Zhao, Guoying and Zhou, Chun-Guang and Fu, Xiaolan and Yang, Minghao and Tao, Jianhua},
  journal={IEEE Transactions on Image Processing},
  volume={24},
  number={12},
  pages={6034--6047},
  year={2015},
  publisher={IEEE}
}