@article{liu_yu_huang_huang_2021, 
  title={Multi-feature Sparse Representations Learning via Collective Matrix Factorization for ECG Biometric Recognition}, 
  DOI={10.1109/access.2021.3133482}, 
  publisher={Institute of Electrical and Electronics Engineers (IEEE)}, 
  author={Liu, Chunying and Yu, Jijiang and Huang, Yuwen and Huang, Fuxian}, 
  year={2021}
  }