@article{nonnegativerepresentationbased,
  title = {Non-negative representation based discriminative dictionary learning for face recognition},
  author = {Zhe Chen and Xiao-Jun Wu and Josef Kittler},
  year = {2019},
  eprint = {1903.07836},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1903.07836v2},
}