Definition
Palm vein authentication is one of a modality of biometric authentications, and is classified as a physiological biometric authentication. It uses palm vein patterns, a vascular image of a person’s palm which can be seen as a kind of pattern, as personal information.
The palm vein patterns are normally captured under near-infrared illumination using the reflection method, in which near infrared rays are emitted from a person's palm and the reflected light is captured. The places on the palm where veins occur are captured as dark parts because veins absorb more near-infrared illumination while emitting only little. With this reflection method, a contactless type of pattern-capturing and user identification can be realized.
Because veins are inside the human body, they are secure and hard to be stolen or duplicated. Moreover, because palm vein patterns are varied and complex, they have sufficient information to identify...
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Watanabe, M. (2009). Palm Vein. In: Li, S.Z., Jain, A. (eds) Encyclopedia of Biometrics. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-73003-5_129
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DOI: https://doi.org/10.1007/978-0-387-73003-5_129
Publisher Name: Springer, Boston, MA
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