Finger vein recognition based on the hyperinformation feature

Xiaoming Xi; Gongping Yang; Yilong Yin; Lu Yang

doi:10.1117/1.OE.53.1.013108

24 January 2014 Finger vein recognition based on the hyperinformation feature

Xiaoming Xi, Gongping Yang, Yilong Yin, Lu Yang

Author Affiliations +

Optical Engineering, Vol. 53, Issue 1, 013108 (January 2014). https://doi.org/10.1117/1.OE.53.1.013108

Abstract

The finger vein is a promising biometric pattern for personal identification due to its advantages over other existing biometrics. In finger vein recognition, feature extraction is a critical step, and many feature extraction methods have been proposed to extract the gray, texture, or shape of the finger vein. We treat them as low-level features and present a high-level feature extraction framework. Under this framework, base attribute is first defined to represent the characteristics of a certain subcategory of a subject. Then, for an image, the correlation coefficient is used for constructing the high-level feature, which reflects the correlation between this image and all base attributes. Since the high-level feature can reveal characteristics of more subcategories and contain more discriminative information, we call it hyperinformation feature (HIF). Compared with low-level features, which only represent the characteristics of one subcategory, HIF is more powerful and robust. In order to demonstrate the potential of the proposed framework, we provide a case study to extract HIF. We conduct comprehensive experiments to show the generality of the proposed framework and the efficiency of HIF on our databases, respectively. Experimental results show that HIF significantly outperforms the low-level features.

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Xiaoming Xi, Gongping Yang, Yilong Yin, and Lu Yang "Finger vein recognition based on the hyperinformation feature," Optical Engineering 53(1), 013108 (24 January 2014). https://doi.org/10.1117/1.OE.53.1.013108

Published: 24 January 2014

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