A Method for Capturing the Finger-Vein Image Using Nonuniform Intensity Infrared Light

@article{Dai2008AMF,
  title={A Method for Capturing the Finger-Vein Image Using Nonuniform Intensity Infrared Light},
  author={Yanggang Dai and Beining Huang and Wenxin Li and Zhuoqun Xu},
  journal={2008 Congress on Image and Signal Processing},
  year={2008},
  volume={4},
  pages={501-505}
}
In the finger vein authentication, one problem is that the variable finger brightness makes the veins unclear. For the same reason, it is difficult to get the intact finger-vein pattern which contains more features. In this paper, we developed an experimental rule to adjust the intensity of the light, which can solve the problem mentioned. We propose three criterions, the standard deviation of the gray level, total length of the vein and the number of bifurcations, to judge the quality of the… CONTINUE READING
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