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Finger Vein Identification Based on Large Kernel Convolution and Attention Mechanism
Version 1
: Received: 10 January 2024 / Approved: 10 January 2024 / Online: 10 January 2024 (08:20:36 CET)
A peer-reviewed article of this Preprint also exists.
Li, M.; Gong, Y.; Zheng, Z. Finger Vein Identification Based on Large Kernel Convolution and Attention Mechanism. Sensors 2024, 24, 1132. Li, M.; Gong, Y.; Zheng, Z. Finger Vein Identification Based on Large Kernel Convolution and Attention Mechanism. Sensors 2024, 24, 1132.
Abstract
FV (finger vein) identification is a biometric identification technology that extracts the features of FV images for identity authentication. To address the limitations of CNN-based FV identification, particularly the challenge of small receptive fields and difficulty in capturing long-range dependencies, an FV identification method Let-Net(Large kernel and attention mechanism Network) was introduced, which combines local and global information. Firstly, Let-Net employs large kernels to broaden the receptive field and incorporates depthwise convolution with residual connections to reduce parameter count. Secondly, Let-Net integrates an attention mechanism to enhance the information flows in channels and spaces for more comprehensive and distinctive FV feature extraction. The experimental results on nine public datasets show that Let-Net has excellent identification performance, and the EER and accuracy rate on the FV_USM dataset can reach 0.04% and 99.77%. The parameter number and FLOPs of Let-Net are only 0.89M and 0.25G, which means that the time cost of training and reasoning of the model is low, and it is easier to deploy and integrate into various applications.
Keywords
finger vein identification; CNN; large kernel; attention mechanism; dual-channel
Subject
Computer Science and Mathematics, Artificial Intelligence and Machine Learning
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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