中国民航大学学报

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手指多模态生物特征偏振成像系统设计

杨金锋,李承尚,史玉坤   

  1. (中国民航大学天津市智能信号与图像处理重点实验室,天津300300)
  • 收稿日期:2014-08-30 修回日期:2014-10-10 出版日期:2015-12-23 发布日期:2015-12-24
  • 作者简介:杨金锋(1971—),男,河南淮阳人,教授,博士,研究方向为图像处理、生物识别和计算机视觉.
  • 基金资助:

    国家自然科学基金项目(61379102)

Polarized imaging system for multimodal finger-feature acquisition

YANG Jin-feng,Li Cheng-shang,Shi Yu-kun   

  1. (Intelligent Signal and Image Processing Key Lab of Tianjin,CAUC,Tianjin 300300,China)
  • Received:2014-08-30 Revised:2014-10-10 Online:2015-12-23 Published:2015-12-24

摘要:

获得稳定、清晰的生物特征图像始终是生物特征识别技术需要解决的关键问题。手指多模态生物特征偏振成像系统能够实现手指纹尧指静脉、指节纹生物特征的同时采集,并具有如下优点院自动调节指静脉摄像头和指节纹摄像头的位置,使ROI(感兴趣区域)位于采集图像的中心位置;实现多光谱采集时对不同波段光束的顺序控制和量化控制,利用偏振成像原理有效抑制成像噪声。

关键词: 手指, 多模态生物特征, 偏振成像, 多光谱

Abstract:

How to obtain stable and clear biometric image is always the key issue in the field of biometric technology. The polarized imaging system for finger -feature acquisition can capture fingerprints,finger -vein and finger -knuckle-print biometric images simultaneously and has following advantages:a. this system can automatically adjust the locations of finger vein and finger-knuckle-print cameras to make the ROI (region of interest)at the center of imaging plane;b. the multispectral light beams can be controlled when acquiring multispectral image;c. the polarized light can effectively reduce image noise.

Key words: finger, multimodal finger-feature, polarized imaging, multispectral

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