Möbius Moduli for Fingerprint Orientation Fields

  title={M{\"o}bius Moduli for Fingerprint Orientation Fields},
  author={Christina Imdahl and Carsten Gottschlich and Stephan F. Huckemann and Ken'ichi Ohshika},
  journal={Journal of Mathematical Imaging and Vision},
We propose a novel fingerprint descriptor, namely Möbius moduli, measuring local deviation of orientation fields (OF) of fingerprints from conformal fields, and we propose a method to robustly measure them, based on tetraquadrilaterals to approximate a conformal modulus locally with one due to a Möbius transformation. Conformal fields arise by the approximation of fingerprint OFs given by zero-pole models, which are determined by the singular points and a rotation. This approximation is very… 
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This thesis was supported by the EPSRC, the MSCA-RISE projects CHiPS and NoMADS, the Cambridge Commonwealth, European & International Trust, the German Academic Scholarship Foundation, the Cambridge


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