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Although some developments have been achieved in finger vein recognition recently, the image deformation problem has received relatively less attention and still intractable. In this paper, the reason and the harmfulness of this problem are analyzed firstly. And then, a deformable finger vein recognition framework is proposed to deal with this problem, consisting of the improved vein PCA-SIFT feature...
In the template matching of finger vein recognition, the probe will be accepted if the number of its overlapped vein points with the enrolled user is larger than the predefined threshold. However, the acceptance may be false owing to ignoring the structure of the vein pattern. We find that local vein branches near the bifurcation point of vein pattern vary largely between the imposter images. So,...
Many related studies have reported promising results in finger vein recognition, but it is still challenging to perform robust image retrieval, especially in the application scenarios with large scale populations. With the purpose in consideration, this paper presents a binary search path of hierarchical vocabulary tree based finger vein image retrieval method. In detail, a vocabulary tree is built...
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