@INPROCEEDINGS{leistner09a,
  author = {Christian Leistner and {Amir R.} {Saffari A. A.} and Peter M. Roth,
and Horst Bischof},
  title = {On Robustness of On-line Boosting - A Competitive Study},
  booktitle = {Proc. IEEE On-line Learning for Computer Vision Workshop},
  year = {2009}
}