Improvement of an algorithm for recognition of liveness using perspiration in fingerprint devices

Sujan T.V. Parthasaradhi; Reza Derakhshani; Lawrence A. Hornak; Stephanie Caswell Schuckers

doi:10.1117/12.541805

25 August 2004 Improvement of an algorithm for recognition of liveness using perspiration in fingerprint devices

Sujan T.V. Parthasaradhi, Reza Derakhshani, Lawrence A. Hornak, Stephanie Caswell Schuckers

Proceedings Volume 5404, Biometric Technology for Human Identification; (2004) https://doi.org/10.1117/12.541805
Event: Defense and Security, 2004, Orlando, Florida, United States

Abstract

Previous work in our laboratory and others have demonstrated that spoof fingers made of a variety of materials including silicon, Play-Doh, clay, and gelatin (gummy finger) can be scanned and verified when compared to a live enrolled finger. Liveness, i.e. to determine whether the introduced biometric is coming from a live source, has been suggested as a means to circumvent attacks using spoof fingers. We developed a new liveness method based on perspiration changes in the fingerprint image. Recent results showed approximately 90% classification rate using different classification methods for various technologies including optical, electro-optical, and capacitive DC, a shorter time window and a diverse dataset. This paper focuses on improvement of the live classification rate by using a weight decay method during the training phase in order to improve the generalization and reduce the variance of the neural network based classifier. The dataset included fingerprint images from 33 live subjects, 33 spoofs created with dental impression material and Play-Doh, and fourteen cadaver fingers. 100% live classification was achieved with 81.8 to 100% spoof classification, depending on the device technology. The weight-decay method improves upon past reports by increasing the live and spoof classification rate.

Citation Download Citation

Sujan T.V. Parthasaradhi, Reza Derakhshani, Lawrence A. Hornak, and Stephanie Caswell Schuckers "Improvement of an algorithm for recognition of liveness using perspiration in fingerprint devices", Proc. SPIE 5404, Biometric Technology for Human Identification, (25 August 2004); https://doi.org/10.1117/12.541805

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