Score level fusion scheme based on adaptive local Gabor features for face iris fingerprint multimodal biometric
Abstract. A multimodal biometric system has been considered a promising technique to overcome the defects of unimodal biometric systems. We have introduced a fusion scheme to gain a better understanding and fusion method for a face iris fingerprint multimodal biometric system. In our case, we use particle swarm optimization to train a set of adaptive Gabor filters in order to achieve the proper Gabor basic functions for each modality. For a closer analysis of texture information, two different local Gabor features for each modality are produced by the corresponding Gabor coefficients. Next, all matching scores of the two Gabor features for each modality are projected to a single scalar score via a trained, supported, vector regression model for a final decision. A large scale dataset is formed to validate the proposed scheme using the Facial Recognition Technology database fafb and CASIA V3 Interval together with FVC2004 DB2a datasets. The experimental results demonstrate that as well as achieving further powerful local Gabor features of multimodalities and obtaining better recognition performance by their fusion strategy, our architecture also outperforms some state of the art individual methods and other fusion approaches for face iris fingerprint multimodal biometric systems.
J. Electronic Imaging