@INPROCEEDINGS{mara13b,
  author={Mara, Hubert and Krömker, Susanne},
  booktitle={2013 12th International Conference on Document Analysis and Recognition}, 
  title={Vectorization of 3D-Characters by Integral Invariant Filtering of High-Resolution Triangular Meshes}, 
  year={2013},
  volume={},
  number={},
  pages={62-66},
  doi={10.1109/ICDAR.2013.21}
}