@misc{deb2021unified,
  title={Unified Detection of Digital and Physical Face Attacks},
  author={Debayan Deb and Xiaoming Liu and Anil K. Jain},
  year={2021},
  eprint={2104.02156},
  archivePrefix={arXiv},
  primaryClass={cs.CV},
  url={https://arxiv.org/abs/2104.02156}
}