@incollection{HeidemannBaxBekeletal.2004,
  author    = {Heidemann, G. and Bax, I. and Bekel, H. and Bauckhage, C. and Wachsmuth, S. and Fink, G. and Pinz, A. and Ritter, H. and Sagerer, G.},
  title     = {Multimodal interaction in an augmented reality scenario},
  series = {Proc. Int'l Conf. Multimodal Interfaces},
  booktitle = {Proc. Int'l Conf. Multimodal Interfaces},
  address   = {New York, NY, USA},
  pages     = {53 -- 60},
  year      = {2004},
  language  = {mul}
}
@article{BaxHeidemannRitter2006,
  author    = {Bax, I. and Heidemann, G. and Ritter, H.},
  title     = {Hierarchical Feed-forward Network for Object Detection Tasks},
  series = {Optical Engineering},
  volume    = {45 (6)},
  journal   = {Optical Engineering},
  pages     = {(067203 -- 1)-(067203-1},
  year      = {2006},
  language  = {en}
}
@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}
}
@article{HeidemannRaeBekeletal.2004,
  author    = {Heidemann, G. and Rae, R. and Bekel, H. and Bax, I. and Ritter, H.},
  title     = {Integrating context-free and context-dependent attentional mechanisms for gestural object reference},
  series = {Machine Vision and Applications},
  volume    = {16 (1)},
  journal   = {Machine Vision and Applications},
  pages     = {64 -- 73},
  year      = {2004},
  language  = {en}
}
@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}
}
@incollection{BekelBaxHeidemannetal.2004,
  author    = {Bekel, H. and Bax, I. and Heidemann, G. and Ritter, H.},
  title     = {Adaptive Computer Vision: Online Learning for Object Recognition},
  series = {Proc. DAGM 2004},
  booktitle = {Proc. DAGM 2004},
  address   = {T{\"u}bingen, Germany},
  pages     = {447 -- 454},
  year      = {2004},
  language  = {en}
}
@incollection{HeidemannBekelBaxetal.2004,
  author    = {Heidemann, G. and Bekel, H. and Bax, I. and Ritter, H.},
  title     = {Interactive Online Learning},
  series = {Proc. Pattern Recognition and Image Analysis},
  booktitle = {Proc. Pattern Recognition and Image Analysis},
  address   = {St. Petersburg, Russia},
  pages     = {44 -- 48},
  year      = {2004},
  language  = {mul}
}
@incollection{HeidemannRaeBekeletal.2003,
  author    = {Heidemann, G. and Rae, R. and Bekel, H. and Bax, I. and Ritter, H.},
  title     = {Integrating Context-Free and Context-Dependent Attentional Mechanisms for Gestural Object Reference},
  series = {Proc. Int'l Conf. Cognitive Vision Systems},
  booktitle = {Proc. Int'l Conf. Cognitive Vision Systems},
  address   = {Graz, Austria},
  pages     = {22 -- 33},
  year      = {2003},
  language  = {en}
}
@article{HSArshamianSchemmeretal.2010,
  author    = {HS, Seo and Arshamian, A and Schemmer, K and Scheer, I and Sander, T and Ritter, G and Hummel, T.},
  title     = {Cross-modal integration between odors and abstract symbols.},
  series = {Neurosci Lett.},
  volume    = {478},
  journal   = {Neurosci Lett.},
  number    = {3},
  pages     = {175 -- 178},
  year      = {2010},
  language  = {en}
}
@misc{WahrburgRitter2010,
  author    = {Wahrburg, U and Ritter, G},
  title     = {Wie gesund ist gutes Essen? Ist Genießen auch erlaubt? Veranstaltung der "Wissenschaftsstadt M{\"u}nster" am 09. Februar 2010 in M{\"u}nster},
  year      = {2010},
  language  = {de}
}
@misc{StrassnerRitterTeitscheid2010,
  author    = {Strassner, C and Ritter, G. and Teitscheid, P.},
  title     = {Bestandsaufnahme: Herausforderungen in der Ern{\"a}hrungswirtschaft Veranstaltung: Was kommt nach Bio? Tagung, M{\"u}nster, 16.09.2010},
  year      = {2010},
  language  = {de}
}
@misc{WahrburgRitter2013,
  author    = {Wahrburg, U and Ritter, G},
  title     = {H{\"a}tte {\"O}tzi Cheeseburger gegessen? Vortrag im Rahmen "Schlauraum - M{\"u}nsters Wissen schafft"; M{\"u}nster, 13. Juni},
  year      = {2013},
  language  = {de}
}
@article{StrotmannFriedrichKreyenschmidtetal.2017,
  author    = {Strotmann, C. and Friedrich, S. and Kreyenschmidt, J. and Teitscheid, P. and Ritter, G.},
  title     = {Comparing Food Provided and Wasted before and after Implementing Measures against Food Waste in Three Healthcare Food Service Facilities},
  series = {Sustainability},
  volume    = {9},
  journal   = {Sustainability},
  number    = {8},
  issn      = {2071-1050},
  doi       = {10.3390/su9081409},
  pages     = {1409},
  year      = {2017},
  language  = {en}
}