Spectroscopy and Spectral Analysis, Volume. 42, Issue 10, 3291(2022)

Classification of Qianxi Tomatoes by Visible/Near Infrared Spectroscopy Combined With GMO-SVM

Fu ZHANG1、1; 2; 3;, Xin-yue WANG2、2;, Xia-hua CUI2、2;, Wei-hua CAO2、2;, Xiao-dong ZHANG1、1; *;, and Ya-kun ZHANG2、2;
Author Affiliations
  • 11. Key Laboratory of Modern Agricultural Equipment and Technology of Ministry of Education, Jiangsu University, Zhenjiang 212013, China
  • 22. College of Agricultural Equipment Engineering, Henan University of Science and Technology, Luoyang 471003, China
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    Figures & Tables(18)
    Qianxi samples(a): Type 1; (b): Type 2; (c): Type 3; (d): Type 4
    Spectral acquisition system①: Spectrometer; ②: Light source; ③: Y type fiber; ④: Computer
    Schematic diagram of acquisition location
    Average reflectivity curves of Qianxi tomato samples
    Spectral average reflectivity curves after preprocessing
    Characteristic wavelengths extracted by successive projections algorithm(a): Number of characteristic wavelengths;(b): Corresponding characteristic wavelength
    Classification results of training set
    Classification results of test set
    Training set classification results
    Classification results of test set
    Accuracy comparison of training set
    Accuracy comparison of test set
    • Table 1. Sample partition results

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      Table 1. Sample partition results

      数据集训练集测试集总计
      类别1402060
      类别2402060
      类别3402060
      类别4402060
      总计16080240
    • Table 2. Classification results of training set

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      Table 2. Classification results of training set

      样本类别样本数目预测正确数目准确率/%
      类别1403485.0
      类别2402050.0
      类别3402665.0
      类别4401537.5
    • Table 3. Classification results of test set

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      Table 3. Classification results of test set

      样本类别样本数目预测正确数目准确率/%
      类别1201785
      类别220945
      类别320840
      类别420525
    • Table 5. Classification results of training set

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      Table 5. Classification results of training set

      样本类别样本数目预测正确数目准确率/%
      类别14040100
      类别24040100
      类别34040100
      类别44040100
    • Table 6. Classification results of test set

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      Table 6. Classification results of test set

      样本类别样本数目预测正确数目准确率/%
      类别1201995
      类别2201785
      类别3201260
      类别4201785
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    Fu ZHANG, Xin-yue WANG, Xia-hua CUI, Wei-hua CAO, Xiao-dong ZHANG, Ya-kun ZHANG. Classification of Qianxi Tomatoes by Visible/Near Infrared Spectroscopy Combined With GMO-SVM[J]. Spectroscopy and Spectral Analysis, 2022, 42(10): 3291

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    Paper Information

    Category: Research Articles

    Received: Aug. 15, 2021

    Accepted: Nov. 11, 2021

    Published Online: Nov. 23, 2022

    The Author Email:

    DOI:10.3964/j.issn.1000-0593(2022)10-3291-07

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