Multispectral imaging for biometrics

Robert K. Rowe; Stephen P. Corcoran; Kristin A. Nixon; Robert E. Ostrom

doi:10.1117/12.589487

23 March 2005 Multispectral imaging for biometrics

Robert K. Rowe, Stephen P. Corcoran, Kristin A. Nixon, Robert E. Ostrom

Proceedings Volume 5694, Spectral Imaging: Instrumentation, Applications, and Analysis III; (2005) https://doi.org/10.1117/12.589487
Event: SPIE BiOS, 2005, San Jose, CA, United States

Abstract

Automated identification systems based on fingerprint images are subject to two significant types of error: an incorrect decision about the identity of a person due to a poor quality fingerprint image and incorrectly accepting a fingerprint image generated from an artificial sample or altered finger. This paper discusses the use of multispectral sensing as a means to collect additional information about a finger that significantly augments the information collected using a conventional fingerprint imager based on total internal reflectance. In the context of this paper, “multispectral sensing” is used broadly to denote a collection of images taken under different polarization conditions and illumination configurations, as well as using multiple wavelengths. Background information is provided on conventional fingerprint imaging. A multispectral imager for fingerprint imaging is then described and a means to combine the two imaging systems into a single unit is discussed. Results from an early-stage prototype of such a system are shown.

Citation Download Citation

Robert K. Rowe, Stephen P. Corcoran, Kristin A. Nixon, and Robert E. Ostrom "Multispectral imaging for biometrics", Proc. SPIE 5694, Spectral Imaging: Instrumentation, Applications, and Analysis III, (23 March 2005); https://doi.org/10.1117/12.589487

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