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http://dx.doi.org/10.5573/ieie.2015.52.4.135

Fingerprint Pore Extraction Method using 1D Gaussian Model  

Cui, Junjian (Department of Mechanical and Control Engineering, Tokyo Institute of Technology)
Ra, Moonsoo (Department of Electronics and Computer Engineering, Hanyang University)
Kim, Whoi-Yul (Department of Electronics and Computer Engineering, Hanyang University)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.52, no.4, 2015 , pp. 135-144 More about this Journal
Abstract
Fingerprint pores have proven to be useful features for fingerprint recognition and several pore-based fingerprint recognition systems have been reported recently. In order to recognize fingerprints using pore information, it is very important to extract pores reliably and accurately. Existing pore extraction methods utilize 2D model fitting to detect pore centers. This paper proposes a pore extraction method using 1D Gaussian model which is much simpler than 2D model. During model fitting process, 1D model requires less computational cost than 2D model. The proposed method first calculates local ridge orientation; then, ridge mask is generated. Since pore center is brighter than its neighboring pixels, pore candidates are extracted using a $3{\times}3$ filter and a $5{\times}5$ filter successively. Pore centers are extracted by fitting 1D Gaussian model on the pore candidates. Extensive experiments show that the proposed pore extraction method can extract pores more effectively and accurately than other existing methods, and pore matching results show the proposed pore extraction method could be used in fingerprint recognition.
Keywords
Fingerprint recognition; pore extraction; ridge orientation; 1D Gaussian model;
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