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Distorted Fingerprint Verification System

Author

Listed:
  • Divya KARTHIKAESHWARAN
  • Jeyalatha SIVARAMAKRISHNAN

Abstract

Fingerprint verification is one of the most reliable personal identification methods. Fingerprint matching is affected by non-linear distortion introduced in fingerprint impression during the image acquisition process. This non-linear deformation changes both the position and orientation of minutiae. The proposed system operates in three stages: alignment based fingerprint matching, fuzzy clustering and classifier framework. First, an enhanced input fingerprint image has been aligned with the template fingerprint image and matching score is computed. To improve the performance of the system, a fuzzy clustering based on distance and density has been used to cluster the feature set obtained from the fingerprint matcher. Finally a classifier framework has been developed and found that cost sensitive classifier produces better results. The system has been evaluated on fingerprint database and the experimental result shows that system produces a verification rate of 96%. This system plays an important role in forensic and civilian applications.

Suggested Citation

  • Divya KARTHIKAESHWARAN & Jeyalatha SIVARAMAKRISHNAN, 2011. "Distorted Fingerprint Verification System," Informatica Economica, Academy of Economic Studies - Bucharest, Romania, vol. 15(4), pages 13-21.
    • Handle: RePEc:aes:infoec:v:15:y:2011:i:4:p:13-21
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