@INPROCEEDINGS{Richarz-ROMAN-2006,
  author = {Richarz, Jan and Martin, {\relax Ch}ristian and Scheidig, Andrea
    and Gross, Horst-Michael},
  title = {There You Go! -- Estimating Pointing Gestures in Monocular Images
    for Mobile Robot Instruction},
  booktitle = {IEEE Int. Symp. on Robot and Human Interactive Communication (RO-MAN)},
  year = {2006},
  pages = {546--551},
  publisher = {IEEE}
}