@article{highorderlocaldirectionalpatternbased,
  title = {High Order Local Directional Pattern Based Pyramidal Multi-structure for Robust Face Recognition},
  author = {Almabrok Essa and Vijayan Asari},
  year = {2020},
  eprint = {2012.06838},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2012.06838v1},
}