@INPROCEEDINGS{Steege-ICANN-2007,
  author = {Steege, Frank-Florian and Martin, {\relax Ch}ristian and Gross, Horst-Michael},
  title = {Estimation of Pointing Poses on Monocular Images with Neural Techniques
    -- An Experimental Comparison},
  booktitle = {Artificial Neural Networks - ICANN 2007 (ICANN)},
  year = {2007},
  pages = {593--602},
  volume = {4669},
  number = {2},
  series = {Part II},
  publisher = {Springer}
}