@inproceedings{lu2016facial,
  title={Facial skin beautification via sparse representation over learned layer dictionary},
  author={Lu, Xi and Chang, Xiaobin and Xie, Xiaohua and Hu, Jian-Fang and Zheng, Wei-Shi},
  booktitle={Neural Networks (IJCNN), 2016 International Joint Conference on},
  pages={2534--2539},
  year={2016},
  organization={IEEE}
}