摘要
文章介绍了一种基于Nios II嵌入式处理器指纹识别系统的设计方案与工作原理。阐述了如何应用SOPC等前沿电子技术提高系统性能指标,通过优化现有的指纹算法,并结合Nios II嵌入式处理器的特点研究设计了一种速度快、辨识度好和准确性高的指纹识别系统,采用Matlab语言和Verilog语言混合编写的方式实现专用的处理模块。从而验证了可编程逻辑器件与嵌入式操作系统的联合应用能够显著提升系统各项指标,提高检测精度,简化操作步骤。
This paper introduces a kind of design scheme and working principle of fingerprint identification system based on Nios II embedded processor, explains how to apply the SOPC electronic technology to improve the system performance indicators, and design a fingerprint identification system with high speed, good identification and accuracy after optimizing the existing fingerprint algorithm and combining the characteristics of the Nios II embedded processor. of, and realize the specia processing module adopting Matlab language and Verilog language , so as to verify the combined application of programmable logic devices and embedded operating system can significantly improve the system indicators, detection accuracyand simplify the operation steps.
出处
《湖南农机》
2014年第2期32-34,77,共4页
Hunnan Agricultural Machinery