@INPROCEEDINGS{Einhorn-IWK-2007,
  author = {Einhorn, Erik and Schroeter, {\relax Ch}ristof and Boehme, Hans-Joachim
    and Gross, Horst-Michael},
  title = {A Hybrid Kalman Filter Based Algorithm for Real-Time Visual Obstacle
    Detection},
  booktitle = {Int. Scientific Colloquium Ilmenau (IWK)},
  year = {2007},
  pages = {353--358},
  volume = {2},
  publisher = {Universitaetsverlag}
}