| 基于光纤锥成像的光电指纹采集方法研究 |
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| 引用本文： | 邱芸,陈树越. 基于光纤锥成像的光电指纹采集方法研究[J]. 计算机工程与设计, 2010, 31(8) |
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| 作者姓名： | 邱芸 陈树越 |
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| 作者单位： | 江苏工业学院,信息科学与工程学院,江苏,常州,213164 |
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| 基金项目： | 江苏省"青蓝工程"项目 |
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| 摘 要： | 为了提取更精确的指纹图像,在分析指纹提取技术的基础上研究和设计了一种基于新型光纤锥与电荷耦合器件(charge coupled device,CCD)耦合技术的光电式指纹采集方法与系统.该系统根据手指透光特性和光纤锥的传光原理给出了光源布局及光强分析,分析了该系统的硬件组成原理,给出了实验结果,并分别与非接触式和接触式光电指纹采集方法进行了对比.该指纹采集系统具有体积小、快速采集、分辨率高、可靠性强等优点.
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| 关 键 词： | 指纹采集 光电式 光纤锥 电荷耦合器件 激光 |
Research on optoelectronic fingerprint gathering method based on optical fiber taper |
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| QIU Yun,CHEN Shu-yue. Research on optoelectronic fingerprint gathering method based on optical fiber taper[J]. Computer Engineering and Design, 2010, 31(8) |
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| Authors: | QIU Yun CHEN Shu-yue |
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| Affiliation: | QIU Yun,CHEN Shu-yue+ (Department of Computer Science , Technology,Jiangsu Polytechnic University,Changzhou 213164,China) |
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| Abstract: | To extract the Fingerprint image more exactly, a new optoelectronic fingerprint collected method and system based on the optical fiber taper which coupled with charge coupled device (CCD) is researched and designed on the basis of the analysis of the fingerprint gathering technology. According to the light-admitting quality of a finger and the light transmission of fiber-optic, a light-supply apparatus and the analysis of luminous intensity are designed, the principle of hardware devices are analysed and th... |
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| Keywords: | fingerprint collection optoelectronic optic fiber taper charge coupled device laser |
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