@article{hyfacialhybridfeatureextractionbydimensi,
  title = {Hy-Facial: Hybrid Feature Extraction by Dimensionality Reduction Methods for Enhanced Facial Expression Classification},
  author = {Xinjin Li and Yu Ma and Kaisen Ye and Jinghan Cao and Minghao Zhou and Yeyang Zhou},
  year = {2025},
  eprint = {2509.26614},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2509.26614},
}