A fast image enhancement algorithm for fingerprint

被引：0
|
作者：
Tong, Xi-Feng [1 ]
Liu, Song-Bo [1 ]
Huang, Jian-Hua [1 ]
Tang, Xiang-Long [1 ]
机构：
[1] Harbin Inst Technol, Sch Comp Sci & Technol, Harbin 150001, Peoples R China
来源：
PROCEEDINGS OF 2007 INTERNATIONAL CONFERENCE ON MACHINE LEARNING AND CYBERNETICS, VOLS 1-7 | 2007年
关键词：
image enhancement; fingerprint; two-level convolution template; FVC2002;
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：
The reduction of time cost is a challenging task in an embedded fingerprint verification system. This paper proposes a fast image enhancement algorithm for fingerprint verification. Firstly, a two-level convolution template is designed according to ridge direction and ridge circle. Then a simplified convolution is used to enhance fingerprint, which speed up the enhancement procedure. Experimental results show that in general the proposed algorithm has similar or better enhancement results than the well-known Gabor enhancement. Moreover, the time cost is much less than that of Gabor enhancement. A test on a fixed-point DSP shows that the proposed algorithm is suitable for practical application in embedded mode.
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页码：176 / 180
页数：5
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