@inproceedings{wang2012stpca,
  title={STPCA: sparse tensor principal component analysis for feature extraction},
  author={Wang, Su-Jing and Sun, Ming-Fang and Chen, Yu-Hsin and Pang, Er-Ping and Zhou, Chun-Guang},
  booktitle={Proceedings of the 21st International Conference on Pattern Recognition (ICPR2012)},
  pages={2278--2281},
  year={2012},
  organization={IEEE}
}