Direct Pore Matching for Fingerprint Recognition

被引:0
作者
Zhao, Qijun [1 ]
Zhang, Lei [1 ]
Zhang, David [1 ]
Luo, Nan [1 ]
机构
[1] Hong Kong Polytech Univ, Biometr Res Ctr, Dept Comp, Kowloon, Hong Kong, Peoples R China
来源
ADVANCES IN BIOMETRICS | 2009年 / 5558卷
关键词
Fingerprint recognition; pore matching; level-3; features; fusion; SEGMENTATION; FEATURES; SYSTEM;
D O I
暂无
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
Sweat pores on fingerprints have proven to be useful features for personal identification. Several methods have been proposed for pore matching. The state-of-the-art method first matches minutiae oil the fingerprints and then matches the pores based on the minutia matching results. A problem of such minutia-based pore matching method is that the pore matching is dependent on the minutia matching. Such dependency limits the pore matching performance and impairs the effectiveness of the fusion of minutia and pore match scores. In this paper, we propose a novel direct approach for matching fingerprint pores. It first determines the correspondences between pores based oil their local features. It then uses the RANSAC (RANdom SAmple Consensus) algorithm to refine the pore correspondences obtained in the first step. A similarity score is finally calculated based on the pore matching results. The proposed pore matching method successfully avoids the dependency of pore matching oil minutia matching results. Experiments have shown that the fingerprint recognition accuracy can he greatly improved by using the method proposed in this paper.
引用
收藏
页码:597 / 606
页数:10
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