毕业设计（论文）
题目：静脉识别技术研究
学 生 姓 名： 学号： 学 部 （系）： 专 业 年 级： 指 导 教 师： 职称或学位：
2013年05月15日
华中科技大学文华学院毕业设计（论文）
目 录
摘 要 ................................................................................................................ I 关键字 ................................................................................................................ I Abstract ............................................................................................................ II Key words ........................................................................................................ II 1 绪 论 ............................................................................................................. 1 1.1 引言 .......................................................................................................... 1 1.2 国内外研究现状与发展趋势 .................................................................. 1 1.3 研究的目的与意义 .................................................................................. 2 1.4 研究的内容 .............................................................................................. 2 2 静脉识别技术简介 ......................................................................................... 3 2.1 静脉识别技术的优势 ................................................................................ 3 2.2 静脉识别技术的过程 ................................................................................ 3 2.3 静脉识别技术的难点 ................................................................................ 4 3 手指静脉识别系统的结构及工作原理 ........................................................ 6 3.1 手指静脉识别系统的组成 ...................................................................... 6 3.2 手指静脉图像采集系统工作原理 .......................................................... 6 3.3 手指静脉图像识别系统工作原理 .......................................................... 8 4 手指静脉图像采集光学系统设计实例 ...................................................... 15 4.1 红外摄影光学系统的设计参数 ............................................................ 15 4.2 光学系统设计过程 ................................................................................ 15
华中科技大学文华学院毕业设计（论文）
4.3 红外摄影物镜像差的优化 .................................................................... 19 5 结 论 ........................................................................................................... 25 致 谢 ............................................................................................................. 26 参考文献 ......................................................................................................... 27
华中科技大学文华学院毕业设计（论文）
静脉识别技术研究
摘 要
静脉识别技术是当今生物识别领域的新兴课题，其原理是通过红外光源照射手指或手掌，利用静脉血液对红外光的吸收特性取得人体静脉纹理图像，再通过图像处理技术进行预处理和识别。静脉识别技术采取非接触摄像采集方式，获取活体生物信息，具备防盗用、识别精度高和对采集条件要求较低的特点。
手指静脉识别技术是静脉识别领域的重要应用，其原理简单，具体实现工作包括：对手指静脉图像摄取的红外光学系统进行光学设计；设计与静脉识别相匹配的图像预处理及识别算法。
对生物识别技术的研究及发展进行了调研，学习了静脉识别技术的基本理论，对手指静脉识别系统进行了初步的分析与研究，研究了手指静脉识别系统的解决方案：包括图像传感器的选取、采集光学系统的结构以及静脉图像处理及识别技术。完成了一种用于手指静脉识别的光学系统的设计实例，对其像质进行了分析和总结。最后对该技术的发展前景提出了展望。
关键字：静脉识别；近红外；图像采集；摄影物镜
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华中科技大学文华学院毕业设计（论文）
The Research of Vein Recognition Technology
Abstract
Vein recognition technology is emerging issues in the field of biometric. The principle is irradiated by infrared light source fingers or the palm of your hand. The characteristics of venous blood to absorb infrared light are used to get human vein texture image. To be Preprocessed and recognized through the image processing technology. Vein recognition technology take the non-contact way to collect living information. With characteristics of anti-theft, high recognition accuracy and less demanding to the acquisition conditions.
Finger vein recognition technology is an important application of vein recognition. Its principle is simple. The concrete realization of work include: infrared finger vein image pickup optical system optical design; design and vein recognition match the image pre-processing and recognition algorithms.
I have reached for the biometric technology and its development. And I have learned for the basic theory of vein recognition technology, researched for the preliminary analysis of finger vein recognition system . The finger vein recognition system solutions include: the selection of the image sensor to capture the structure of the optical system and the vein image processing and recognition technology. Completed for finger vein recognition optical system design example, its image quality is analyzed and summarized. Finally, put forward the outlook for the development of this technology.
Key words：Vein Verification; Near infrared ; Image Acquisition; Camera
Lens
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