基于FPGA指静脉纹理采集系统设计  

Design of the Finger Vein Texture Acquisition System Based on FPGA

作　　者：王刚 石磊 赵寒涛 WANG Gang;SHI Lei;ZHAO Han-tao(Institute of Intelligent Manufacture Heilongjiang Academy of Science,Harbin 150090 China)

机构地区：[1]黑龙江省科学院智能制造研究所,黑龙江哈尔滨150090

出　　处：《自动化技术与应用》2021年第8期140-144,152,共6页Techniques of Automation and Applications

摘　　要：生物特征识别作为信息安全的重要方法之一,指静脉纹理为生物特征识别的一部分,获取指静脉纹理是作为信息安全的首要环节。本文针对如何获取指静脉纹理信息设计一套采集系统,即通过近红外光投射到手指,将反射回的光线通过滤光片进入CMOS感光芯片;整个系统通过具有并行运算能力的FPGA实现,达到指静脉图像数据采集的流水线设计,完成整套采集并具有图像预处理的系统。The finger vein texture is a part of the biological characteristic identification,which is one of the important methods of the information security.It is the primary link of information security that the finger vein texture is obtained.In this paper,a set of acquisition equipment is designed for how to obtain finger vein texture information.The light is projected to the finger by the near infrared light,and the reflected light enters the CMOS photosensitive chip through the filter sheet.The whole equipment is realized by FPGA with parallel computing capability,which achieves the assembly line design of digital vein image data acquisition,completes the whole collection and had image preprocessing equipment.

关 键 词：近红外光 FPGA CMOS摄像头 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]