Information fusion in face and fingerprint identity verification system
Chun-Hong Jiang
Guang-Da Su
Dept. of Electron. Eng., Tsinghua Univ., Beijing, China;
Abstract
Biometric based person identity verification is gaining more and more attention. It has been shown that combining different biometric modalities enables to achieve better performances than single modality. So as to improve the verification accuracy, this paper combines face and fingerprint for person identity verification. And some multimodal biometric information fusion strategies, includes sum rule (SR), weighted sum rule (WSR), Fisher linear discriminant analysis (FLDA) and support vector machine (SVM) are evaluated, furthermore, a new method for data normalization in verification system is proposed in this paper. Experiment results prove the effectiveness of fusion of multiple biometrics compared with single biometric, and also the better verification performance by adopting the new data normalization method. The SVM, SR, WSR and FLDA fusion methods present a decreasing performance in our experiment.
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