@inproceedings{SraCTDM2011,
  title = {Generalized Dictionary Learning for Symmetric Positive Definite Matrices with Application to Nearest Neighbor Retrieval},
  booktitle = {Machine Learning and Knowledge Discovery in Databases - European Conference, ECML PKDD 2011, LNCS vol 6913, Part III},
  pages = {318-332},
  editors = {D Gunopulos and T Hofmann and D Malerba and M Vazirgiannis},
  publisher = {Springer},
  year = {2011},
  slug = {sractdm2011},
  author = {Sra, S. and Cherian, A.}
}