@article{learningexpressionletsviauniversal,
  title = {Learning Expressionlets via Universal Manifold Model for Dynamic Facial Expression Recognition},
  author = {Mengyi Liu and Shiguang Shan and Ruiping Wang and Xilin Chen},
  year = {2015},
  eprint = {1511.05204},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1511.05204v1},
}