25 August 2004 Novel spectroscopy-based technology for biometric and liveness verification
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This paper describes a new biometric technology based on the optical properties of skin. The new technology can perform both identity verification and sample authenticity based on the optical properties of human skin. When multiple wavelengths of light are used to illuminate skin, the resulting spectrum of the diffusely reflected light represents a complex interaction between the structural and chemical properties of the skin tissue. Research has shown that these spectral characteristics are distinct traits of human skin as compared to other materials. Furthermore, there are also distinct spectral differences from person to person. Personnel at Lumidigm have developed a small and rugged spectral sensor using solid-state optical components operating in the visible and very near infrared spectral region (400-940nm) that accurately measures diffusely reflected skin spectra. The sensors are used for both biometric determinations of identity as well as the determination of sample authenticity. This paper will discuss both applications of the technology with emphasis on the use of optical spectra to assure sample authenticity.
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Kristin A. Nixon, Kristin A. Nixon, Robert K. Rowe, Robert K. Rowe, Jeffrey Allen, Jeffrey Allen, Steve Corcoran, Steve Corcoran, Lu Fang, Lu Fang, David Gabel, David Gabel, Damien Gonzales, Damien Gonzales, Robert Harbour, Robert Harbour, Sarah Love, Sarah Love, Rick McCaskill, Rick McCaskill, Bob Ostrom, Bob Ostrom, David Sidlauskas, David Sidlauskas, Karen Unruh, Karen Unruh, "Novel spectroscopy-based technology for biometric and liveness verification", Proc. SPIE 5404, Biometric Technology for Human Identification, (25 August 2004); doi: 10.1117/12.543045; https://doi.org/10.1117/12.543045

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