Head-pose estimation from facial images with subspace neural networks
@InProceedings{bruske98icnnb,
  author =       {J. Bruske and E. Abraham-Mumm and J. Pauli and G. Sommer},
  title =        {Head-pose estimation from facial images with subspace neural
networks},
  booktitle =    {Proc. of Int. Neural Network and Brain Conference},
  address =      {Beijing, China},
  year =         1998,
  pages =        {528-531}
}