@incollection{BaxHeidemannRitter2005,
  author    = {Bax, I. and Heidemann, G. and Ritter, H.},
  title     = {Face Detection and Identification Using a Hierarchical Feed-forward Recognition Architecture},
  series = {Proc. IEEE Int'l Joint Conf. Neural Networks},
  booktitle = {Proc. IEEE Int'l Joint Conf. Neural Networks},
  address   = {Montr{\´e}al, Qu{\´e}bec, Canada},
  pages     = {1675 -- 1680},
  year      = {2005},
  language  = {en}
}
@incollection{BaxHeidemannRitter2005,
  author    = {Bax, I. and Heidemann, G. and Ritter, H.},
  title     = {A Hierarchical Feed-forward Network for Object Detection Tasks},
  series = {Proc. SPIE Conf. on Independent Component Analyses, Wavelets, Unsupervised Smart Sensors, Neural Networks},
  booktitle = {Proc. SPIE Conf. on Independent Component Analyses, Wavelets, Unsupervised Smart Sensors, Neural Networks},
  address   = {Orlando, FL, USA},
  pages     = {144 -- 152},
  year      = {2005},
  language  = {en}
}
@incollection{BaxHeidemannRitter2005,
  author    = {Bax, I. and Heidemann, G. and Ritter, H.},
  title     = {Using Non-negative Sparse Profiles in a Hierarchical Feature Extraction Network},
  series = {Proc. 9th IAPR Conf. Machine Vision Applications},
  booktitle = {Proc. 9th IAPR Conf. Machine Vision Applications},
  address   = {Tsukuba Science City, Japan},
  pages     = {464 -- 467},
  year      = {2005},
  language  = {mul}
}
@article{HeidemannBekelBaxetal.2005,
  author    = {Heidemann, G. and Bekel, H. and Bax, I. and Ritter, H.},
  title     = {Interactive Online Learning},
  series = {Pattern Recognition and Image Analysis},
  volume    = {15 (1)},
  journal   = {Pattern Recognition and Image Analysis},
  pages     = {55 -- 58},
  year      = {2005},
  language  = {mul}
}