@article{facialexpressionclassificationusing,
  title = {Facial Expression Classification Using Rotation Slepian-based Moment Invariants},
  author = {Cuiming Zou and Kit Ian Kou},
  year = {2016},
  eprint = {1607.01040},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1607.01040v1},
}