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http://dx.doi.org/10.3807/KJOP.2002.13.6.493

A study on correlation-based fingerprint recognition method  

김상백 (청주대학교 레이저 광정보공학과)
주성현 (청주대학교 레이저 광정보공학과)
정만호 (청주대학교 레이저 광정보공학과)
Publication Information
Korean Journal of Optics and Photonics / v.13, no.6, 2002 , pp. 493-500 More about this Journal
Abstract
Fingerprint recognition is concerned with fingerprint acquisition and matching. Our research was focused on a fingerprint matching method using an inkless fingerprint input sensor at the fingerprint acquisition step. Since an inkless fingerprint sensor produces a digital-image-processed fingerprint image, we did not consider noise that can happen while acquiring the fingerprint. And making the user attempt fingerprint input as random, we considered image distortion that translation and rotation are included as complex. NJTC algorithm is used for fingerprint identification and verification. The method to find the center of the fingerprint is added in the NJTC algorithm to supplement discrimination of fingerprint recognition. From this center point, we decided the optimum cropping size for effective matching with pixels and demonstrated that the proposed method has high discrimination and high efficiency.
Keywords
fingerprint; matching; joint transform correlator; center point determination.;
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