Synonyms
Palm vein authentication sensor; Palm vein scanner
Definition
A palm vein image sensor is a device used for palm vein authentication. The device captures images of the vein patterns in the palm by emitting near-infrared rays that are absorbed by the hemoglobin in the veins. The field of near-infrared spectroscopy (NIRS) and imaging has been researched for many years, and the palm vein sensor uses this technology.
In 1985, Joseph Rice filed a patent in which infrared imaging of the patterns of subcutaneous blood vessels for the identification of individuals was disclosed. In 2003, Fujitsu developed a box-type device for palm vein authentication. This Fujitsu’s device was designed for contactless uses.
Palm vein imaging method is divided into two different methods, reflection method and transmission method. In the reflection method, the palm is illuminated from the front side, and the image is captured from the same side. In the transmission method, the palm is illuminated from...
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References
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Shinzaki, T., Aoki, T. (2015). Palm Vein Image Sensor. In: Li, S.Z., Jain, A.K. (eds) Encyclopedia of Biometrics. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-7488-4_18
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DOI: https://doi.org/10.1007/978-1-4899-7488-4_18
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