@inproceedings{CherianS2014, title = {Riemannian Sparse Coding for Positive Definite Matrices }, author = {Cherian, A. and Sra, S.}, booktitle = {13th European Conference on Computer Vision}, volume = {LNCS 8691}, pages = {299-314}, editors = { Fleet, D., Pajdla, T., Schiele, B., and Tuytelaars, T.}, publisher = {Springer}, year = {2014}, doi = {10.1007/978-3-319-10578-9_20} }