On orientation and anisotropy estimation for online fingerprint authentication

  title={On orientation and anisotropy estimation for online fingerprint authentication},
  author={Xudong Jiang},
  journal={IEEE Transactions on Signal Processing},
  • Xudong Jiang
  • Published 2005 in IEEE Transactions on Signal Processing
Local dominant orientation estimation is one of the most important operations in almost all automatic fingerprint authentication systems. Robust orientation and anisotropy estimation improves the system's reliability in handling low-quality fingerprints, which is crucial for the system's massive application such as securing multimedia. This paper analyzes the robustness of the orientation and anisotropy estimation methods and the effect of the modulus normalization on the estimation performance… CONTINUE READING
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