@article{enhancedprincipalcomponentanalysisundera,
  title = {Enhanced Principal Component Analysis under A Collaborative-Robust Framework},
  author = {Rui Zhang and Hongyuan Zhang and Xuelong Li},
  year = {2021},
  eprint = {2103.11931},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2103.11931v1},
}