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Method and apparatus to reduce false minutiae in a binary fingerprint image

  • US 20030063782A1
  • Filed: 09/13/2001
  • Published: 04/03/2003
  • Est. Priority Date: 09/13/2001
  • Status: Abandoned Application
First Claim
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1. A method of reducing false minutiae in a binary image comprising:

  • determining an estimate of the average inter-ridge line distance;

    identifying and removing at least some isolated spurs and ridge-connected spurs based, at least in part, on the estimate of the average inter-ridge line distance.

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