Dual-LED imaging for finger liveliness detection and its evaluation with replicas
Applied Optics, Vol. 45, Issue 24, pp. 6263-6269 (2006)
http://dx.doi.org/10.1364/AO.45.006263
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Abstract
Unattended fingerprint identification systems need to reject input attempts by a replica.
Previously, we proposed detecting the color changes of a finger during an input action as a signature of liveliness. To improve its reliability, a dual-LED imaging system is investigated. It employs two LEDs with peak emissions at 530 and
© 2006 Optical Society of America
OCIS Codes
(110.0110) Imaging systems : Imaging systems
(110.2960) Imaging systems : Image analysis
(110.2970) Imaging systems : Image detection systems
(170.0110) Medical optics and biotechnology : Imaging systems
History
Original Manuscript: November 4, 2005
Revised Manuscript: February 26, 2006
Manuscript Accepted: March 21, 2006
Virtual Issues
Vol. 1, Iss. 9 Virtual Journal for Biomedical Optics
Citation
Katsuki Tai, Etsuji Matsuyama, Masashi Kurita, and Ichiro Fujieda, "Dual-LED imaging for finger liveliness detection and its evaluation with replicas," Appl. Opt. 45, 6263-6269 (2006)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-45-24-6263
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