@article{selfsupervisedfacepresentationattack,
  title = {Self-Supervised Face Presentation Attack Detection with Dynamic Grayscale Snippets},
  author = {Usman Muhammad and Mourad Oussalah},
  year = {2022},
  eprint = {2208.13070},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2208.13070v4},
}