Pores-preserving face cleaning based on improved empirical mode decomposition

@article{liu2009pores,
  title={Pores-preserving face cleaning based on improved empirical mode decomposition},
  author={Liu, Yan-Li and Xu, Xiao-Gang and Guo, Yan-Wen and Wang, Jin and Duan, Xin and Chen, Xi and Peng, Qun-Sheng},
  journal={Journal of Computer Science and Technology},
  volume={24},
  number={3},
  pages={557--567},
  year={2009},
  publisher={Springer}
}