Studies of Biometric Fusion Appendix C Evaluation of Selected Biometric Fusion Techniques

This report summarizes and evaluates several common score-level biometric fusion techniques. The literature contains numerous proposals for score-level biometric fusion algorithms. Selecting the most effective fusion techniques depends on operational issues such as accuracy requirements, availability of training data, and the validity of simplifying assumptions. Of the techniques evaluated, product of likelihood ratios and logistic regression were found to be highly effective. Studies of Biometric Fusion

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