Region-based pose tracking
@INPROCEEDINGS{SRBC07,
  author = {C. Schmaltz and B. Rosenhahn and T. Brox and D. Cremers and J. Weickert and L. Wietzke and G. Sommer} ,
  title = {Region-based Pose Tracking} ,
  month = {June} ,
  year = {2007} ,
  booktitle = {Proc. 3rd Iberian Conference on Pattern Recognition and Image Analysis} ,
  address = {Girona, Spain} ,
  publisher = {Springer} ,
  series = {LNCS}
}