@inproceedings{r1pcarotationalinvariantl1norm,
  title = {R 1 -PCA: Rotational Invariant L 1 -norm Principal Component Analysis for Robust Subspace Factorization},
  author = {Chris Ding ，Ding Zhou ，Xiaofeng He ，Hongyuan Zha},
  year = {2006},
  booktitle = {ICML '06: Proceedings of the 23rd international conference on Machine learningJune 2006 Pages 281–288 2006 6},
  url = {https://dl.acm.org/doi/10.1145/1143844.1143880},
}