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The Two Sides of the Finger - An Evaluation on the Recognition Performance of Dorsal vs. Palmar Finger-Veins
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Datum
2018
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Köllen Druck+Verlag GmbH
Zusammenfassung
Vascular pattern (vein) based biometrics, especially finger- and hand-vein recognition
gain more and more attention. In finger-vein recognition, the images are usually captured from the
palmar (bottom) side of the finger. Dorsal (top) side finger vein recognition has not got much attention
so far. In this paper we establish a new, publicly available, two-sided (dorsal and palmar)
finger-vein data set. The data set is captured using two custom designed finger vein scanners, one
based on near-infrared LED illumination, the other one on near-infrared laser modules. A recognition
performance comparison between the single subsets (palmar and dorsal) as well as cross-subset
(palmar vs. dorsal) comparison is conducted using several well-established finger-vein recognition
schemes. The experimental results confirm that the palmar side achieves the overall best recognition
performance but in general the dorsal side works better due to inherent finger texture information.