Error exponent analysis of person identification based on fusion of dependent/independent modalities

Oleksiy Koval; Sviatoslav Voloshynovskiy; Thierry Pun

doi:10.1117/12.704138

27 February 2007 Error exponent analysis of person identification based on fusion of dependent/independent modalities

Oleksiy Koval, Sviatoslav Voloshynovskiy, Thierry Pun

Proceedings Volume 6505, Security, Steganography, and Watermarking of Multimedia Contents IX; 650515 (2007) https://doi.org/10.1117/12.704138
Event: Electronic Imaging 2007, 2007, San Jose, CA, United States

Abstract

In this paper we analyze performance limits of multimodal biometric identification systems. We consider impact of the inter-modal dependencies on the attainable probabilities of error and demonstrate that an expected performance gain from fusion of dependent modalities is significantly higher than in the case when one fuses independent signals. Finally, in order to demonstrate the efficiency of dependent modality fusion, we perform the problem analysis in the Gaussian formulation and show the performance enhancement versus the independent case.

Citation Download Citation

Oleksiy Koval, Sviatoslav Voloshynovskiy, and Thierry Pun "Error exponent analysis of person identification based on fusion of dependent/independent modalities", Proc. SPIE 6505, Security, Steganography, and Watermarking of Multimedia Contents IX, 650515 (27 February 2007); https://doi.org/10.1117/12.704138

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