@article{objectiveclassesformicrofacialexpression,
  title = {Objective Classes for Micro-Facial Expression Recognition},
  author = {Adrian K. Davison and Walied Merghani and Moi Hoon Yap},
  year = {2017},
  eprint = {1708.07549},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1708.07549v2},
}