Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/28118
Title: Dynamic tongueprint : a novel biometric identifier
Authors: Zhang, D 
Liu, Z
Yan, JQ
Keywords: Biometrics
Identification
Tongueprint
Verification
Issue Date: 2010
Publisher: Elsevier
Source: Pattern recognition, 2010, v. 43, no. 3, p. 1071-1082 How to cite?
Journal: Pattern recognition 
Abstract: Biometrics, which use human physiological or behavioral features for personal identification, currently face the challenge of designing a secure biometric system that will accept only the legitimate presentation of the biometric identifiers without being fooled by the doctored or spoofed measurements that are input into the system. More biometric traits are required for improving the performance of authentication systems. In this paper, we present a new number for the biometrics family, i.e. tongueprint, which uses particularly interesting properties of the human tongue to base a technology for noninvasive biometric assessment. The tongue is a unique organ which can be stuck out of the mouth for inspection, whose appearance is amenable to examination with the aid of a machine vision system. Yet it is otherwise well protected in the mouth and difficult to be forged. Furthermore, the involuntary squirm of the tongue is not only a convincing proof that the subject is alive, but also a feature for recognition. That is to say, the tongue can present both static features and dynamic features for authentication. However, little work has hitherto been done on the tongue as a biometric identifier. In this work, we make use of a database of tongue images obtained over a long period to examine the performance of the tongueprint as a biometric identifier. Our research shows that tongueprint is a promising candidate for biometric identification and worthy of further research.
URI: http://hdl.handle.net/10397/28118
ISSN: 0031-3203
EISSN: 1873-5142
DOI: 10.1016/j.patcog.2009.09.002
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