Increase the security of multibiometric systems by incorporating a spoofing detection algorithm in the fusion mechanism

Authors:
Emanuela Marasco;Peter Johnson;Carlo Sansone;Stephanie Schuckers
Affiliations:
Dipartimento di Informatica e Sistemistica, Università degli Studi di Napoli Federico II, Napoli, Italy;Department of Electrical and Computer Engineering, Clarkson University, Potsdam, NY;Dipartimento di Informatica e Sistemistica, Università degli Studi di Napoli Federico II, Napoli, Italy;Department of Electrical and Computer Engineering, Clarkson University, Potsdam, NY
Venue:
MCS'11 Proceedings of the 10th international conference on Multiple classifier systems
Year:
2011

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Abstract

The use of multimodal biometric systems has been encouraged by the threat of spoofing, where an impostor fakes a biometric trait. The reason lies on the assumption that, an impostor must fake all the fused modalities to be accepted. Recent studies showed that there is a vulnerability of the existing fusion schemes in presence of attacks where only a subset of the fused modalities is spoofed. In this paper, we demonstrated that, by incorporating a liveness detection algorithm in the fusion scheme, the multimodal system results robust in presence of spoof attacks involving only a subset of the fused modalities. The experiments were carried out by analyzing different fusion rules on the Biosecure multimodal database.