@article{normfacel2hypersphereembeddingforface,
  title = {NormFace: L2 Hypersphere Embedding for Face Verification},
  author = {Feng Wang and Xiang Xiang and Jian Cheng and Alan L. Yuille},
  year = {2017},
  eprint = {1704.06369},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1704.06369v4},
}