@article{deepandshallowcovariancefeature,
  title = {Deep and Shallow Covariance Feature Quantization for 3D Facial Expression Recognition},
  author = {Walid Hariri and Nadir Farah and Dinesh Kumar Vishwakarma},
  year = {2021},
  eprint = {2105.05708},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2105.05708v1},
}