A Simple and Efficient Method for Finger Vein Recognition - PubMed (original) (raw)

A Simple and Efficient Method for Finger Vein Recognition

Zhongxia Zhang et al. Sensors (Basel). 2022.

Abstract

Finger vein recognition has drawn increasing attention as one of the most popular and promising biometrics due to its high distinguishing ability, security, and non-invasive procedure. The main idea of traditional schemes is to directly extract features from finger vein images and then compare features to find the best match. However, the features extracted from images contain much redundant data, while the features extracted from patterns are greatly influenced by image segmentation methods. To tackle these problems, this paper proposes a new finger vein recognition algorithm by generating code. The proposed method does not require an image segmentation algorithm, is simple to calculate, and has a small amount of data. Firstly, the finger vein images were divided into blocks to calculate the mean value. Then, the centrosymmetric coding was performed using the matrix generated by blocking and averaging. The obtained codewords were concatenated as the feature codewords of the image. The similarity between vein codes is measured by the ratio of minimum Hamming distance to codeword length. Extensive experiments on two public finger vein databases verify the effectiveness of the proposed method. The results indicate that our method outperforms the state-of-the-art methods and has competitive potential in performing the matching task.

Keywords: centrosymmetric coding; finger vein recognition; generating code; minimum Hamming distance.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1

Figure 1

Overall framework of the proposed method.

Figure 2

Figure 2

Process of BACS-LBP algorithm.

Figure 3

Figure 3

Example of matrix [mi,j]i,j=13 to nj.

Figure 4

Figure 4

ROC curves with different templates on two databases: (a) on HKPU database; (b) on USM database.

Figure 5

Figure 5

Performance comparison under different block size.

Figure 6

Figure 6

Performance comparison of LBP, MB-LBP, CS-LBP, and BACS-LBP.

Figure 7

Figure 7

Robustness testing.

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References

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