An approach for enhancing fingerprint images using adaptive Gabor filter parameters

被引：3
|
作者：
De Gonzaga S.L.O. [1 ]
Viola F. [1 ]
Conci A. [1 ]
机构：
[1] Universidade Federal Fluminense, Niteroi, RJ 24.210-240, Passo da Patria St., 156, Bl. E
来源：
Pattern Recognition and Image Analysis | 2008年 / 18卷 / 3期
关键词：
Gray Level; Orientation Angle; Gabor Filter; Directional Angle; Fingerprint Image;
D O I：
10.1134/S105466180803019X
中图分类号：
学科分类号：
摘要：
This work proposes a technique to enhance fingerprint images through the Gabor filter with adaptive parameters. Firstly, the average ridge and valley of each region as well as their direction are evaluated by a specific directional field algorithm. Secondly, since the filter orientation and the frequency parameters vary according to the fingerprint area, the fingerprint topological structure is enhanced by the Gabor filter with adaptive parameters. Finally, experimental tests show accurate final results for the matching step of an on-line recognition process. © 2008 Pleiades Publishing, Ltd.
引用
收藏
页码：497 / 506
页数：9
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