Polarized imaging system for multimodal finger-feature acquisition

Abstract

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

CLC Number:

TP391.41

YANG Jin-feng,Li Cheng-shang,Shi Yu-kun. Polarized imaging system for multimodal finger-feature acquisition[J]. .

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