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18 March 2024 LED fingerprint recognition method based on transformer self-attention mechanism
Lihui Shen, Dun Li, Erfeng Zhang, Yanyu Zhang, Chenxi Su, Xiaodong Wang, Jian Zhang
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Proceedings Volume 13104, Advanced Fiber Laser Conference (AFL2023); 131046K (2024) https://doi.org/10.1117/12.3023789
Event: Advanced Fiber Laser Conference (AFL2023), 2023, Shenzhen, China
Abstract
In this paper, a Light Emitting Diode (LED) fingerprinting method based on the Transformer self-attention mechanism is proposed to address the challenge of trusted authentication of terminal identity in visible light communication. The method leverages the unique individual characteristics of LED emission spectra for identity recognition. To extract fingerprint features from the spectral data, a parallel network structure is proposed. The one-dimensional spectral signal is input into a Convolutional Neural Network (CNN) to extract local features, while simultaneously being fed into a Transformer branch for self-attention calculation to capture global correlation features. The encoded global features from the Transformer are fused with the local features extracted by the CNN, and a feature interaction module is used to generate the final feature vector for classification. Experiment results demonstrate that on a spectral dataset from 8 different LED lights of the same model and batch, the proposed method achieves a classification accuracy of 98.33%, providing a new approach and method for secure access in visible light communication.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Lihui Shen, Dun Li, Erfeng Zhang, Yanyu Zhang, Chenxi Su, Xiaodong Wang, and Jian Zhang "LED fingerprint recognition method based on transformer self-attention mechanism", Proc. SPIE 13104, Advanced Fiber Laser Conference (AFL2023), 131046K (18 March 2024); https://doi.org/10.1117/12.3023789
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KEYWORDS
Light emitting diodes
Transformers
Visible light communication
Lamps
Feature extraction
Data modeling
Education and training
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