Research and implementation of finger-vein recognition algorithm

Zengyao Pang; Jie Yang; Yilei Chen; Yin Liu

doi:10.1117/12.2280246

19 June 2017 Research and implementation of finger-vein recognition algorithm

Zengyao Pang , Jie Yang, Yilei Chen, Yin Liu

Proceedings Volume 10443, Second International Workshop on Pattern Recognition; 104430D (2017) https://doi.org/10.1117/12.2280246
Event: Second International Workshop on Pattern Recognition, 2017, Singapore, Singapore

Abstract

In finger vein image preprocessing, finger angle correction and ROI extraction are important parts of the system. In this paper, we propose an angle correction algorithm based on the centroid of the vein image, and extract the ROI region according to the bidirectional gray projection method. Inspired by the fact that features in those vein areas have similar appearance as valleys, a novel method was proposed to extract center and width of palm vein based on multi-directional gradients, which is easy-computing, quick and stable. On this basis, an encoding method was designed to determine the gray value distribution of texture image. This algorithm could effectively overcome the edge of the texture extraction error. Finally, the system was equipped with higher robustness and recognition accuracy by utilizing fuzzy threshold determination and global gray value matching algorithm. Experimental results on pairs of matched palm images show that, the proposed method has a EER with 3.21% extracts features at the speed of 27ms per image. It can be concluded that the proposed algorithm has obvious advantages in grain extraction efficiency, matching accuracy and algorithm efficiency.

Citation Download Citation

Zengyao Pang , Jie Yang, Yilei Chen, and Yin Liu "Research and implementation of finger-vein recognition algorithm", Proc. SPIE 10443, Second International Workshop on Pattern Recognition, 104430D (19 June 2017); https://doi.org/10.1117/12.2280246

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