| GUO Xiao-jing,LI Dan,ZHANG Hai-gang,YANG Jin-feng.Image restoration of finger-vein networks based on encoder-decoder model[J].Optoelectronics Letters,2019,15(6):463-467 |
| Image restoration of finger-vein networks based on encoder-decoder model |
| Author Name | Affiliation | | GUO Xiao-jing | College of Electronic Information and Automation, Civil Aviation University of China, Tianjin 300300, China | | LI Dan | College of Electronic Information and Automation, Civil Aviation University of China, Tianjin 300300, China
Tianjin Key Lab for Advanced Signal Processing, Civil Aviation University of China, Tianjin 300300, China | | ZHANG Hai-gang | College of Electronic Information and Automation, Civil Aviation University of China, Tianjin 300300, China
Tianjin Key Lab for Advanced Signal Processing, Civil Aviation University of China, Tianjin 300300, China | | YANG Jin-feng | College of Electronic Information and Automation, Civil Aviation University of China, Tianjin 300300, China
Tianjin Key Lab for Advanced Signal Processing, Civil Aviation University of China, Tianjin 300300, China |
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| Abstract: |
| Finger-vein recognition is widely applied on access control system due to the high user acceptance and convince. Improving the integrity of finger-vein is helpful for increasing the finger-vein recognition accuracy. During the process of finger-vein imaging, foreign objects may be attached on fingers, which directly affects the integrity of finger-vein images. In order to effectively extract finger-vein networks, the integrity of venous networks is still not ideal after preprocessing of finger vein images. In this paper, we propose a novel deep learning based image restoration method to improve the integrity of finger-vein networks. First, a region detecting method based on adaptive threshold is presented to locate the incomplete region. Next, an encoder-decoder model is used to restore the venous networks of the finger-vein images. Then we analyze the restoration results using several different methods. Experimental results show that the proposed method is effective to restore the venous networks of the finger-vein images. |
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