A lightweight Approach to Finger Vein Authentication based on Con-trast-Limited Adaptive Histogram Equalization
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ID: 312849
2024
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Abstract
Finger vein recognition is an emerging field that holds a lot of promise for security-sensitive applications. However, most of the past work in this field is dominated by computationally ex- pensive and complex algorithms. In this paper, a new yet simple technique is presented for the preprocessing of finger vein images for biometric authentication. Adaptive histogram equalization, gamma correction, image sharpening, multi-filtering, and contrast adjust- ment constitute the basic steps of this method [AHistGSFC]. For feature extraction, the Histogram of Oriented Gradients [HOG] is used, and the K-nearest neighbour for the recognition. The main contribution of this research is the introduction of a new prepro- cessing algorithm that is not only efficient but also has a very low computational time and has given superior results to deep learning approaches on the same data set. 6 fold cross-validation was used for evaluation. The middle fingers of both hands were found to be the most discriminative, giving 99.06% accuracy and 0.0086% EER. Using all fingers provided in the database, we get 96.96% accuracy and 0.0304% EER. Results were also computed for 3-fold and 2-fold cross-validations for comparison with previous works with that data division. The proposed method gives better results than the latest state-of-the-art algorithms in this field.
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| Authors | Hedi A. Guesmi |
| Journal | Journal of Computing & Biomedical Informatics |
| Year | 2024 |
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| Keywords | Keywords not found |
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