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Authors: Krzysztof Kryszczuk ; Jonas Richiardi and Andrzej Drygajlo

Affiliation: Swiss Federal Institute of Technology Lausanne (EPFL), Signal Processing institute (STI-ITS-LIDIAP), Switzerland

Abstract: This paper focuses on the estimation of reliability of unimodal and multimodal verification decisions produced by biometric systems. Reliability estimates have been demonstrated to be an elegant tool for incorporating quality measures into the process of estimating the probability of correctness of the decisions. In this paper we compare decision- and score-level schemes of multimodal fusion using reliability estimates obtained with two alternative methods. Further, we propose a method of estimating the reliability of multimodal decisions based on the unimodal reliability estimates. Using a standard benchmarking multimodal database we demonstrate that the score-level reliability-based fusion outperforms alternative approaches, and that the proposed estimates of multimodal decision reliability allow for an accurate prediction of errors committed by the fusion module.

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Paper citation in several formats:
Kryszczuk, K.; Richiardi, J. and Drygajlo, A. (2007). Reliability Estimation for Multimodal Error Prediction and Fusion. In Proceedings of the 7th International Workshop on Pattern Recognition in Information Systems (ICEIS 2007) - PRIS; ISBN 978-972-8865-93-1, SciTePress, pages 15-24. DOI: 10.5220/0002431100150024

@conference{pris07,
author={Krzysztof Kryszczuk. and Jonas Richiardi. and Andrzej Drygajlo.},
title={Reliability Estimation for Multimodal Error Prediction and Fusion},
booktitle={Proceedings of the 7th International Workshop on Pattern Recognition in Information Systems (ICEIS 2007) - PRIS},
year={2007},
pages={15-24},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002431100150024},
isbn={978-972-8865-93-1},
}

TY - CONF

JO - Proceedings of the 7th International Workshop on Pattern Recognition in Information Systems (ICEIS 2007) - PRIS
TI - Reliability Estimation for Multimodal Error Prediction and Fusion
SN - 978-972-8865-93-1
AU - Kryszczuk, K.
AU - Richiardi, J.
AU - Drygajlo, A.
PY - 2007
SP - 15
EP - 24
DO - 10.5220/0002431100150024
PB - SciTePress

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