Optimized multimodal biometric system based fusion technique for human identification

Muthana H. Hamd, Rabab A. Rasool

Abstract


This paper presents three novelty aspects in developing biometric system-based face recognition software for human identification applications. First, the computations cost is greatly reduced by eliminating the feature extraction phase and considering only the detected face features from the phase congruency. Secondly, a motivation towards applying a new technique, named mean-based training (MBT) is applied urgently to overcome the matching delay caused by the long feature vector. The last novelty aspect is utilizing the one-to-one mapping relationship for fusing the edge-to-angle unimodal classification results into a multimodal system using the logical-OR rule. Despite some dataset difficulties like unconstrained facial images (UFI) which includes varying illuminations, expressions, occlusions, and poses, the multimodal system has highly improved the accuracy rate and achieved a promising recognition result, where the decision fusion is classified correctly (84, 92, and 72%) with only one training vector per MBT in contrast to (80, 62, and 68%) with five training vectors for normal matching. These results are measured by Eucledian, Manhattan, and Cosine distance measure respectively.


Keywords


Decision fusion; Edge-angle; Face recognition; Optimization; Phase congurency

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DOI: https://doi.org/10.11591/eei.v9i6.2632

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