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Group sparse representation based classification for multi-feature multimodal biometrics
G. Goswami, P. Mittal, A. Majumdar, ,
Published in Elsevier
2016
Volume: 32
   
Pages: 3 - 12
Abstract
Multimodal biometrics technology consolidates information obtained from multiple sources at sensor level, feature level, match score level, and decision level. It is used to increase robustness and provide broader population coverage for inclusion. Due to the inherent challenges involved with feature-level fusion, combining multiple evidences is attempted at score, rank, or decision level where only a minimal amount of information is preserved. In this paper, we propose the Group Sparse Representation based Classifier (GSRC) which removes the requirement for a separate feature-level fusion mechanism and integrates multi-feature representation seamlessly into classification. The performance of the proposed algorithm is evaluated on two multimodal biometric datasets. Experimental results indicate that the proposed classifier succeeds in efficiently utilizing a multi-feature representation of input data to perform accurate biometric recognition. © 2015 Elsevier B.V. All rights reserved.
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ISSN15662535