Abstract
Image quality is one of the most crucial influence factors when conducting biometric image-based human identification. However, it is not considered in most existing multi-biometric fusion algorithms. In this paper, a quality assessment-based dynamic weighted fusion algorithm is proposed, which applies a method of using image quality scores, and the scores are evaluated by integrating various image quality metrics to assess the quality of the feature matching process. According to the classification of the dual-modality feature matching quality, a dynamic weighted fusion strategy is proposed to increase the weight of biometric traits with better quality and weaken the impact of low-quality biometric traits on the recognition results, to achieve the adaptive optimization fusion of the biometric score level. Finally, the fused scores are used to make decisions. Experimental results reveal that the proposed algorithm is more robust and has better achievement than unimodal biometrics and traditional fusion algorithms.
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This work was supported by the National Key R&D Program of China under Grant 2017YFB0802300.
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Xiao, K., Tian, Y., Lu, Y. et al. Quality assessment-based iris and face fusion recognition with dynamic weight. Vis Comput 38, 1631–1643 (2022). https://doi.org/10.1007/s00371-021-02093-7
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DOI: https://doi.org/10.1007/s00371-021-02093-7