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A Novel Finger-Vein Recognition Based on Quality Assessment and Multi-Scale Histogram of Oriented Gradients Feature
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Author(s): Junying Zeng (Department of Information Engineering, Wuyi University, Guangdong, China), Yao Chen (Department of Information Engineering, Wuyi University, Guangdong, China), Yikui Zhai (Department of Information Engineering, Wuyi University, Guangdong, China), Junying Gan (Department of Information Engineering, Wuyi University, Guangdong, China), Wulin Feng (Department of Information Engineering, Wuyi University, Guangdong, China)and Fan Wang (Department of Information Engineering, Wuyi University, Guangdong, China)
Copyright: 2019
Volume: 15
Issue: 1
Pages: 16
Source title:
International Journal of Enterprise Information Systems (IJEIS)
Editor(s)-in-Chief: Gianluigi Viscusi (Linköping University, Sweden)
DOI: 10.4018/IJEIS.2019010106
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Abstract
Inferior finger vein images would seriously alter the completion of recognition systems. A modern finger-vein recognition technique combined with image quality assessment is developed to overcome those drawbacks. By the quality assessment, this article can discard the inferior images and retain the superior images which are then transferred to the recognition system. Different from previous methods, this article assesses the quality features of the image for the purpose of distinguishing whether the image contains rich and stable vein characteristics. In light of this purpose, the quality assessment is implemented: first, the finger vein image is automatically annotated; second, the finger vein image is cut into image blocks to expand the training set; third, the average quality score of multiple image blocks from an image is the final quality score of the image in the course of testing. Next, the Histogram of Oriented Gradients (HOG) features are extracted from the four transformed high-quality sub-images, whose features are cascaded into the multi-scale HOG feature of an image. Finally, two modules, the quality assessment module using Convolutional Neural Networks (CNN) and finger vein recognition module which make full use of multi-scale HOG, are perfectly combined in this article. The test results have demonstrated that light-CNN can identifies inferior and superior images accurately and the multi-scale HOG is feasible and effective. What's more, this article can see the robustness of this combined method in this article.
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