@article{faceflashingasecurelivenessdetection,
  title = {Face Flashing: a Secure Liveness Detection Protocol based on Light Reflections},
  author = {Di Tang and Zhe Zhou and Yinqian Zhang and Kehuan Zhang},
  year = {2018},
  eprint = {1801.01949},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1801.01949v2},
}