@INPROCEEDINGS{uray07,
  author = {Martina Uray and Danijel Sko\v{c}aj and Peter M. Roth and Horst Bischof,
and Ale\v{s} Leonardis},
  title = {Incremental {LDA} Learning by Combining Reconstructive and Discriminative,
Approaches},
  booktitle = {Proc. British Machine Vision Conf.},
  year = {2007}
}