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http://dx.doi.org/10.13089/JKIISC.2008.18.3.61

Quality Assessment of Fingerprint Images and Correlation with Recognition Performance  

Shin, Yong-Nyuo (Korea Information Security Agency)
Sung, Won-Je (NITGEN Co., Ltd.)
Jung, Soon-Won (NITGEN Co., Ltd.)
Publication Information
Journal of the Korea Institute of Information Security & Cryptology / v.18, no.3, 2008 , pp. 61-68 More about this Journal
Abstract
In this paper, we propose a new method to assess fingerprint image quality. In the proposed method, analysis of local variance of image's gray values, local orientation, minutiae density, size and position is applied. Especially by using position information of inputted fingerprint images, partial fingerprint images are filtered and recognition performance is improved. In the experimental results, quality threshold value for improving performance can be decided by analysis of correlation between image quality and recognition rate.
Keywords
fingerprint image; quality assessment;
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