@article{improvingbagofvisualwordstowards,
  title = {Improving Bag-of-Visual-Words Towards Effective Facial Expressive Image Classification},
  author = {Dawood Al Chanti and Alice Caplier},
  year = {2018},
  eprint = {1810.00360},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1810.00360v1},
}