@article{hierarchicalandefficientlearningfor,
  title = {Hierarchical and Efficient Learning for Person Re-Identification},
  author = {Jiangning Zhang and Liang Liu and Chao Xu and Yong liu},
  year = {2020},
  eprint = {2005.08812},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2005.08812v1},
}