@article{anempiricalstudyofdimensionalreduction,
  title = {An Empirical Study of Dimensional Reduction Techniques for Facial Action Units Detection},
  author = {Zhuo Hui and Wen-Sheng Chu},
  year = {2016},
  eprint = {1603.08039},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1603.08039v1},
}