ANTI-SPOOFING FOR FINGERPRINT SECURITY SYSTEM

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ANTI-SPOOFING FOR FINGERPRINT SECURITY SYSTEM

Abstract

The deployment of fingerprint sensors is increasingly becoming common and has now gained high user acceptance. However, fingerprint sensors are susceptible to spoofing using artificial materials or in worst case to the dismembered fingers. Fake/gummy fingerprints have shown to fool most commercial fingerprint systems. This paper proposes a new method of anti-spoofing using reliable aliveness detection. The proposed method of aliveness detection is based on pulse oximetry and involves the known source of light originating from a probe at two wavelengths. The light is partly absorbed by hemoglobin, by amounts which differ depending on whether it is saturated with oxygen or deoxygenated hemoglobin. We then perform the computations for the absorption at two wavelengths to estimate the proportion of hemoglobin which is oxygenated. The computed percentage of oxygen in the saturated blood, along with the heart pulse rate, determines the aliveness of enrolled biometric. Our experimental results demonstrate that the developed prototype can successfully thwart the spoof attacks (including those based on dismembered fingers).

Author

E.ABISHAKE, G.ASHLIN SELMA,

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International Journal of Advanced
Science and Engineering Research

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