Fingerprint Restoration Using Digital Reaction-Diffusion System and Its Evaluation

Koichi Ito, Takafumi Aoki, Tatsuo Higuchi

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


This paper presents an algorithm for finger-print image restoration using Digital Reaction-Diffusion System (DRDS). The DRDS is a model of a discrete-time discrete-space nonlinear reaction-diffusion dynamical system, which is useful for generating biological textures, patterns and structures. This paper focuses on the design of a fingerprint restoration algorithm that combines (i) a ridge orientation estimation technique using an iterative coarse-to-fine processing strategy and (ii) an adaptive DRDS having a capability of enhancing low-quality fingerprint images using the estimated ridge orientation. The phase-only image matching technique is employed for evaluating the similarity between an original fingerprint image and a restored image. The proposed algorithm may be useful for person identification applications using fingerprint images.

Original languageEnglish
Pages (from-to)1916-1924
Number of pages9
JournalIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Issue number8
Publication statusPublished - 2003 Aug


  • Digital filters
  • Digital signal processing
  • Fingerprint restoration
  • Pattern formation
  • Reaction-diffusion system

ASJC Scopus subject areas

  • Signal Processing
  • Computer Graphics and Computer-Aided Design
  • Electrical and Electronic Engineering
  • Applied Mathematics

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