@article{improvedsparsepcamethodforfaceandimage,
  title = {Improved sparse PCA method for face and image recognition},
  author = {Loc Hoang Tran and Tuan Tran and An Mai},
  year = {2021},
  eprint = {2112.00207},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2112.00207v1},
}