Combining multiple matchers for fingerprint verification: A case study in biosecure network of excellence

4 Dec 2022  ·  Fernando Alonso-Fernandez, Julian Fierrez-Aguilar, Hartwig Fronthaler, Klaus Kollreider, Javier Ortega-Garcia, Joaquin Gonzalez-Rodriguez, Josef Bigun ·

We report on experiments for the fingerprint modality conducted during the First BioSecure Residential Workshop. Two reference systems for fingerprint verification have been tested together with two additional non-reference systems. These systems follow different approaches of fingerprint processing and are discussed in detail. Fusion experiments I volving different combinations of the available systems are presented. The experimental results show that the best recognition strategy involves both minutiae-based and correlation-based measurements. Regarding the fusion experiments, the best relative improvement is obtained when fusing systems that are based on heterogeneous strategies for feature extraction and/or matching. The best combinations of two/three/four systems always include the best individual systems whereas the best verification performance is obtained when combining all the available systems.

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