@article{extrinsicmethodsforcodinganddictionary,
  title = {Extrinsic Methods for Coding and Dictionary Learning on Grassmann Manifolds},
  author = {Mehrtash Harandi and Richard Hartley and Chunhua Shen and Brian Lovell and Conrad Sanderson},
  year = {2014},
  eprint = {1401.8126},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1401.8126v2},
}