基于Log-Gabor滤波器的指纹图像分解重构增强技术分析  

Analysis of fingerprint image decomposition and reconstruction enhancement techniquebased on Log-Gabor filter

作　　者：邱秀兰 Qiu Xiulan(School of Information and Artificial Intelligence,Nanchang Institute of Technology,Nanchang 330008,China)

机构地区：[1]南昌工学院信息与人工智能学院,江西南昌330008

出　　处：《无线互联科技》2023年第8期118-120,共3页Wireless Internet Technology

摘　　要：文章对指纹图谱和指纹图像预处理的相关技术进行分析,介绍小波变换技术,对Gabor滤波器进行改善,通过傅里叶变换进行整合,构建Log-Gabor滤波器,研发出指纹图像分解重构增强技术,在此基础上介绍指纹细节特征提取技术,通过实验的方式分析Log-Gabor滤波器分解重构增强技术的应用效果。实验结果表明,这种预处理方法能够让指纹图像更加清晰,显示出更多的细节特征。This paper analyzes the related technology of fingerprint and fingerprint image preprocessing,introduces wavelet transform technology,improves Gabor filter,integrates through Fourier transform,constructs Log-Gabor filter,develops fingerprint image decomposition reconstruction enhancement technology,based on this,introduces fingerprint detail feature extraction technology,through the experimental analysis of Log-Gabor filter decomposition reconstruction enhancement technology application effect.Experimental results show that this preprocessing method can make the fingerprint image more clear and show more details.

关 键 词：指纹图像 预处理 关键技术 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]