@article{frommanifoldtomanifoldgeometryaware,
  title = {From Manifold to Manifold: Geometry-Aware Dimensionality Reduction for SPD Matrices},
  author = {Mehrtash T. Harandi and Mathieu Salzmann and Richard Hartley},
  year = {2014},
  eprint = {1407.1120},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1407.1120v2},
}