基于DSP+FPGA协处理器指纹识别系统的设计与实现  

Design and Implementation of a Fingerprint Identification System Based on DSP+FPGA Coprocessor

作　　者：张伟[1] Zhang Wei(Changchun Institute of Technology,Changchun Jilin 130012,China)

机构地区：[1]长春工程学院,吉林长春130012

出　　处：《现代工业经济和信息化》2024年第12期82-84,88,共4页Modern Industrial Economy and Informationization

摘　　要：实现了一种基于DSP+FPGA协处理器的指纹识别系统硬件平台设计。采用FPGA作为协处理器,分担数据计算及扩展接口以系统结构优化算法,实现一个高效的指纹识别系统。采用Altera公司的Cyclone Ⅳ EP4CE75FPGA实现指纹识别算法中滤波等计算量大的处理模块,用ADI公司的ADSP-BF70x处理器以软件的方式实现计算方式与控制结构比较复杂的处理模块,以此达到提升指纹识别算法处理速度的目的,满足某些场合对DSP实时性的要求。This paper realized a hardware platform design of fingerprint identification system based on DSP+FPGA coprocessor.Using FPGA as coprocessor to share data calculation and expansion interfaces,a high-effect fingerprint identification system will be realized,according to the improved algorithm of system.In this paper,the operand complex filter module in the fingerprint recognition algorithm has been implemented by Cyclone Ⅳ EP4CE75 of Altera corp.,the quite complex control structure module in fingerprint recognition algorithm has been implemented by the software way based on the ADSP-BF70x DSP processor of Analog Devices Inc..To improve the speed of Fingerprint Recognition Algorithm meets the requisition of digital signal processing's real time in some situation.

关 键 词：指纹识别 DSP FPGA协处理器 

分 类 号：TP274.2[自动化与计算机技术—检测技术与自动化装置]