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Fusion of face and iris biometrics using local and global feature extraction methods

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Abstract

Fusion of multiple biometrics combines the strengths of unimodal biometrics to achieve improved recognition accuracy. In this study, face and iris biometrics are used to obtain a robust recognition system by using several feature extractors, score normalization and fusion techniques. Global and local feature extractors are used to extract face and iris features separately, and then, the fusion of these modalities is performed on different subsets of face and iris image databases of ORL, FERET, CASIA and UBIRIS. The proposed method uses Local Binary Patterns local feature extractor and subspace Linear Discriminant Analysis global feature extractor on face and iris images, respectively. Face and iris scores are normalized using tanh normalization, and then, Weighted Sum Rule is applied for the fusion of these two modalities. Improved recognition accuracies are achieved compared to the individual systems and multimodal systems using other local or global feature extractors for both modalities.

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Correspondence to Önsen Toygar.

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Eskandari, M., Toygar, Ö. Fusion of face and iris biometrics using local and global feature extraction methods. SIViP 8, 995–1006 (2014). https://doi.org/10.1007/s11760-012-0411-4

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  • DOI: https://doi.org/10.1007/s11760-012-0411-4

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