@INPROCEEDINGS{Wilhelm-DynPer-2002,
  author = {Wihelm, Torsten and Boehme, Hans-Joachim and Gross, Horst-Michael},
  title = {Sensor Fusion for Vision and Sonar Based People Tracking on a Mobile
    Service Robot},
  booktitle = {Int. Workshop on Dynamic Perception (DynPer)},
  year = {2002},
  pages = {315--320},
  publisher = {IOS Press}
}