@inproceedings{sommer:eccv:2010,
  title = {Manifold Valued Statistics, Exact Principal Geodesic Analysis and the Effect of Linear Approximations},
  author = {Sommer, Stefan and Lauze, Francois and Hauberg, S{\o}ren and Nielsen, Mads},
  booktitle = {Computer Vision - ECCV 2010},
  editor = {Daniilidis, Kostas and Maragos, Petros and Paragios, Nikos},
  publisher = {Springer Berlin Heidelberg},
  volume = {6316},
  pages = {43--56},
  year = {2010}
}