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Research on Improvement of Fingerprint Direction Map

  • 2013-09-20
  • 260.55KB
  • Points it Requires : 2

           A circular directional map improved on the basis of the current directional map is proposed. This circular directional map has a smooth and natural transition, good continuity and noise resistance, and good robustness to low-quality fingerprint images. It can more accurately reflect the structural characteristics of fingerprint ridges, and the calculation amount is reduced by 15% compared with the current directional map. Experiments have proved the effectiveness of the method.

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