@article{convexclassmodelonsymmetricpositive,
  title = {Convex Class Model on Symmetric Positive Definite Manifolds},
  author = {Kun Zhao and Arnold Wiliem and Shaokang Chen and Brian C. Lovell},
  year = {2018},
  eprint = {1806.05343},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1806.05343v2},
}