@article{tamingselfsupervisedlearningfor,
  title = {Taming Self-Supervised Learning for Presentation Attack Detection: De-Folding and De-Mixing},
  author = {Zhe Kong and Wentian Zhang and Feng Liu and Wenhan Luo and Haozhe Liu and Linlin Shen and Raghavendra Ramachandra},
  year = {2021},
  eprint = {2109.04100},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2109.04100v3},
}