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Laser & Optoelectronics Progress, Volume. 60, Issue 11, 1106030(2023)

Research on Respiratory Measurement and Classification Based on Fiber Bragg Grating

Zhisheng Zhang1, Shengpeng Wan1、*, Lü Weilong1, and Junsong Yu2、**
Author Affiliations
  • 1Key Laboratory of Opto-Electronic Information Science and Technology of Jiangxi Province, Nanchang Hangkong University, Nanchang 330063, Jiangxi , China
  • 2Key Laboratory of Nondestructive Testing, Ministry of Education, Nanchang Hangkong University, Nanchang 330063, Jiangxi , China
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    References (23)
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    Figures & Tables(8)
    FBG sensor package installation. (a) Packaged FBG sensors; (b) test installation of body parts

    Fig. 1. FBG sensor package installation. (a) Packaged FBG sensors; (b) test installation of body parts

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    Principle block diagram of respiratory signal acquisition system

    Fig. 2. Principle block diagram of respiratory signal acquisition system

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    Collected respiratory signals. (a) Cough; (b) hold breathing; (c) normal breathing; (d) breathing after exercise

    Fig. 3. Collected respiratory signals. (a) Cough; (b) hold breathing; (c) normal breathing; (d) breathing after exercise

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    Signal denoised by wavelet decomposition reconstruction of normal respiratory signal

    Fig. 4. Signal denoised by wavelet decomposition reconstruction of normal respiratory signal

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    SVM binary classification schematic

    Fig. 5. SVM binary classification schematic

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    Particle swarm search flow chart

    Fig. 6. Particle swarm search flow chart

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    Fitness curve of PSO optimization algorithm

    Fig. 7. Fitness curve of PSO optimization algorithm

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    Confusion matrix of four kinds of respiratory signals. (a) SVM classification confusion matrix; (b) PSO-SVM classification confusion matrix

    Fig. 8. Confusion matrix of four kinds of respiratory signals. (a) SVM classification confusion matrix; (b) PSO-SVM classification confusion matrix

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    Zhisheng Zhang, Shengpeng Wan, Lü Weilong, Junsong Yu. Research on Respiratory Measurement and Classification Based on Fiber Bragg Grating[J]. Laser & Optoelectronics Progress, 2023, 60(11): 1106030

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Apr. 23, 2023

    Accepted: May. 24, 2023

    Published Online: Jun. 14, 2023

    The Author Email: Shengpeng Wan (sp_wan@163.com), Junsong Yu (70940@nchu.edu.cn)

    DOI:10.3788/LOP231136

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology