嵌入式系统中指纹图像细节特征自适应增强识别算法
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摘要
提出基于Gabor滤波器的指纹识别算法研究,先对采集到的指纹图像进行预处理,获取指纹有效区域的大小、指纹图像灰度等信息;基于Gabor滤波器对均衡化、归一化的指纹图像分割处理,并进行滤波增强;最后对增强处理后的指纹进行特征提取、分类和细节匹配,实现嵌入式系统中指纹的精确识别.实验结果表明,提出的指纹识别算法具有更高识别效率和识别精度,在嵌入式系统中的应用效果良好.
Fingerprint recognition based on Gabor filter algorithm research,the preprocessing of fingerprint images were collected to obtain effective area the size of the fingerprint,fingerprint image gray level information.Based on Gabor filter of equalization,normalization of fingerprint image segmentation,filtering and enhancement;After the process of enhancing the fingerprint feature extraction,classification and details matching,realize the precise identification of fingerprints in the embedded system.Fingerprint identification algorithm is put forward by the experimental results show that the recognition efficiency and higher identification accuracy,in the embedded system application effect is good.
Fingerprint recognition based on Gabor filter algorithm research,the preprocessing of fingerprint images were collected to obtain effective area the size of the fingerprint,fingerprint image gray level information.Based on Gabor filter of equalization,normalization of fingerprint image segmentation,filtering and enhancement;After the process of enhancing the fingerprint feature extraction,classification and details matching,realize the precise identification of fingerprints in the embedded system.Fingerprint identification algorithm is put forward by the experimental results show that the recognition efficiency and higher identification accuracy,in the embedded system application effect is good.
引文
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[14]刘铁铭,蒋烈辉,张媛媛,等.嵌入式系统重构过程中功能构件提取技术研究[J].微电子学与计算机,2016,33(5):15-21.
[2]李志伟,杨茂兴,铁跃焕.基于硬件设备内部指纹的软件锁功能的实现[J].微电子学与计算机,2013,30(4):123-126.
[3]朱锦,雷娟娟,陈福才.基于CGI的嵌入式Web服务器的设计与实现[J].电子设计工程,2016,24(19):191-193.
[4]张信,邝小飞.图书馆指纹门禁系统的设计与实现[J].物联网技术,2015,5(3):82-84.
[5]于本成,曹天杰.人脸识别与指纹识别系统接口的设计与实现[J].微电子学与计算机,2012,29(11):87-91.
[6]陈钢.指纹识别关键算法的研究[J].信息通信,2013,27(6):1-2.
[7]李峰岳,李星野.一种基于小波变换的指纹特征提取算法[J].计算机系统应用,2012,21(1):61-64.
[8]黄光泉,王丰华,黄知涛.一种基于分形维数的无线网卡信号指纹特征提取方法[J].电子对抗,2012,24(5):25-27.
[9]孙闽红,闫云珍,邵章义,等.基于Wigner对角切片谱的射频指纹特征提取[J].电子技术应用,2016,42(1):87-90.
[10]黄渊凌,郑辉.基于瞬时频率畸变特性的FSK电台指纹特征提取[J].电讯技术,2013,53(7):868-872.
[11]王春蕾,周美娇,易淑友.基于STM32的嵌入式指纹识别系统的设计与实现[J].信息技术,2013,27(1):155-157.
[12]何汉.试论嵌入式自动指纹识别系统设计[J].信息通信,2014,26(7):55-56.
[13]刘爽.嵌入式人脸识别系统的设计与实现[J].微电子学与计算机,2012,29(3):174-177.
[14]刘铁铭,蒋烈辉,张媛媛,等.嵌入式系统重构过程中功能构件提取技术研究[J].微电子学与计算机,2016,33(5):15-21.