基于fpga的低成本嵌入式指纹验证与匹配系统

M. Barrenechea, J. Altuna, M. S. Miguel
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引用次数: 21

摘要

在低成本的嵌入式平台上开发指纹验证系统是当前生物识别领域的一个热点问题。本文介绍了一种基于Spartan3系列FPGA和嵌入式Leon2开放核处理器的低成本指纹细节提取与匹配系统。提出的系统架构包括一个浮点单元和一个离散傅立叶变换协处理器,以加快细节提取过程。整个验证算法基于国家标准与技术研究院(NIST)开发的NFIS第2版开源软件。对不同系统配置的执行时间减少和FPGA占用的结果表明,所提出的体系结构的性能比基准体系结构有很大的提高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Low-Cost FPGA-based Embedded Fingerprint Verification and Matching System
The development of a fingerprint verification system on a low-cost embedded platform is an open issue in nowadays biometrics. Our paper describes a low-cost fingerprint minutiae extraction and matching system based on a Spartan3 family FPGA with an embedded Leon2 open core processor. The proposed system architecture incorporates a floating point unit and a discrete Fourier transform coprocessor to accelerate the minutiae extraction process. The whole verification algorithm is based on the NFIS version 2 open source software developed by the national institute of standards and technology (NIST). The results on execution time reduction and FPGA occupation for different system configurations show that the proposed architecture improves substantially the performance of the baseline system architecture.
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