@article{irispresentationattackdetectionbasedon,
  title = {Iris Presentation Attack Detection Based on Photometric Stereo Features},
  author = {Adam Czajka and Zhaoyuan Fang and Kevin W. Bowyer},
  year = {2018},
  eprint = {1811.07252},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1811.07252v1},
}