engleski

Experimental Evaluation of Matching-Score Normalization Techniques on Different Multimodal Biometric Systems

The goal of this work is experimental evaluation of matching-score normalization techniques for the following three multimodal biometric systems: a verification system based on the fusion of face and palmprint principal line features, an identification system based on eigenfingers and finger-geometry, and an identification system based on eigenpalm and eigenfinger features. The following normalization techniques are tested: Bayes-based normalization and several heuristic techniques (min-max, z-score, median-MAD, double-sigmoid, tanh, and piecewise-linear). The results of evaluation are represented by means of system performance (expressed by ROC, EER and minTER) and F-statistics.

biometrics; multimodality; matching-score level fusion; normalization; matching-score normalization; multimodal biometric

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