指纹采集系统与DSP快速处理技术  

Fingerprint System and DSP Fast Processing Technology

作　　者：赵慧民[1] 

机构地区：[1]佛山科学技术学院电子信息工程系,佛山528000

出　　处：《固体电子学研究与进展》2004年第3期337-342,共6页Research & Progress of SSE

摘　　要：介绍了几种指纹成像技术的优缺点 ,说明了半导体指纹采集器件 FPS1 1 0的应用 ,并结合高速 DSP芯片 TMS32 0 C5 40 2实现了一种指纹锁的应用处理系统。该系统在 DSP XDS5 1 0仿真器上进行实验表明 ,指纹采集在几十毫秒内完成。指纹匹配算法采用寻找特征点三角形匹对方法 ,使匹对精度达到了 99%;而同一算法 ,对由 CCD光学采集到的图像 ,经 DSP处理后有很多的伪特征点。Some advantages and weaknesses about fingerprint imagery technology are presented, and the paper shows application principle of solid-semiconductor fingerprint device FPS110, and achieves an application & processing system combined with high-speed DSP TMS320C5402. The system experimentation uses DSP XDS510 simulator, and its results show that time of fingerprint capture is completed in tens milliseconds. The fingerprint match algorithm uses method of the feature-points triangle, and the precision of match algorithem reaches 99%. But for CCD capture pictures, the system exists a lot of false features using same DSP processing algorithem.

关 键 词：指纹成像 FPS110 数宇信号处理技术 

分 类 号：TN919[电子电信—通信与信息系统]