Spectroscopy and Spectral Analysis, Volume. 40, Issue 11, 3457(2020)

Raman Spectrum Wavelength Selection Method Based on Neural Network

Dong-xu SHEN*, Ming-jian HONG, and Jia-lin DONG
Author Affiliations
  • School of Big Data & Software Engineering, Chongqing University, Chongqing 401331, China
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    Figures & Tables(13)
    WSNet structure chart
    Raman spectra of human, beagle and New Zealand rabbit were measured
    Raman spectra of human serum, dog serum and rabbit serum after normalization
    Loss value and accuracy during model training
    Classification accuracy of different dimensionality reductions on test sets and calibration sets
    Raman spectrum wavelength selection before and after comparison chart
    Spectral wavelength point weight
    ROC curve of PLS-DA and NN classification
    (a) the spectrum after Raman-WSNet wavelength selection and (b) the spectrum after UVE wavelength selectionThe red part is reserved wavelength point
    Comparison of Raman-WSNet-PLS-DA and UVE-PLS-DA ROC curves
    • Table 1. Serum sample list

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      Table 1. Serum sample list

      血清样本来源取样方式样本数
      人血清重庆西南医院无菌取样110
      比格犬血清重庆中医研究院无菌取样116
      新西兰兔血清重庆中医研究院无菌取样100
    • Table 2. Comparison of classification results

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      Table 2. Comparison of classification results

      建模方法校正集准确率/%测试集准确率/%
      PLS-DA98.15690.826
      NN100.00092.661
      WSNet-NN100.00094.495
      WSNet-PLS-DA99.07892.661
    • Table 3. Comparison of Raman-WSNet-PLS-DA and UVE-PLS-DA classification results

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      Table 3. Comparison of Raman-WSNet-PLS-DA and UVE-PLS-DA classification results

      建模方法校正集分类结果/%测试集分类结果/%
      WSNet-PLS-DA99.07892.661
      UVE-PLS-DA98.15691.743
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    Dong-xu SHEN, Ming-jian HONG, Jia-lin DONG. Raman Spectrum Wavelength Selection Method Based on Neural Network[J]. Spectroscopy and Spectral Analysis, 2020, 40(11): 3457

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    Paper Information

    Category: Research Articles

    Received: Sep. 25, 2019

    Accepted: --

    Published Online: Jun. 18, 2021

    The Author Email: Dong-xu SHEN (Dongxu1995@outlook.com)

    DOI:10.3964/j.issn.1000-0593(2020)11-3457-06

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