Spectroscopy and Spectral Analysis, Volume. 42, Issue 11, 3626(2022)

Early Bruise Detection of Crystal Pear Based on Hyperspectral Imaging Technology and Transfer Learning

Guang-lai WANG*, En-feng WANG, Cong-cong WANG, and Da-yang LIU*;
Author Affiliations
  • College of Mechanical and Electrical Engineering, Northeast Forestry University, Harbin 150000, China
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    Figures & Tables(5)
    Schematic diagram of hyperspectral image acquisition system
    Images of crystal pear before (a) and after (b) crushing
    The first 8 PC images based on full-band PCA of slightly bruised samples
    Confusion matrix of each model for the identification of crush bruise time
    • Table 1. Recognition results using discriminant models using SVM, k-NN and ResNet50 for network transfer learning

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      Table 1. Recognition results using discriminant models using SVM, k-NN and ResNet50 for network transfer learning

      降维方法模型训练集测试集
      SVM100%83.33%
      PCAk-NN100%85.42%
      ResNet5093.29%93.75%
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    Guang-lai WANG, En-feng WANG, Cong-cong WANG, Da-yang LIU. Early Bruise Detection of Crystal Pear Based on Hyperspectral Imaging Technology and Transfer Learning[J]. Spectroscopy and Spectral Analysis, 2022, 42(11): 3626

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    Paper Information

    Category: Research Articles

    Received: Aug. 30, 2021

    Accepted: --

    Published Online: Nov. 23, 2022

    The Author Email: WANG Guang-lai (gellerwang@163.com)

    DOI:10.3964/j.issn.1000-0593(2022)11-3626-05

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