@article{parameterizingregioncovarianceanefficien,
  title = {Parameterizing Region Covariance: An Efficient Way To Apply Sparse Codes On Second Order Statistics},
  author = {Xiyang Dai and Sameh Khamis and Yangmuzi Zhang and Larry S. Davis},
  year = {2016},
  eprint = {1602.02822},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1602.02822v1},
}