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IEICE TRANSACTIONS on Fundamentals

Fingerprint Restoration Using Digital Reaction-Diffusion System and Its Evaluation

Koichi ITO, Takafumi AOKI, Tatsuo HIGUCHI

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Summary :

This paper presents an algorithm for fingerprint 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.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E86-A No.8 pp.1916-1924
Publication Date
2003/08/01
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Type of Manuscript
Special Section PAPER (Special Section on Digital Signal Processing)
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