• Infrared and Laser Engineering
  • Vol. 50, Issue 10, 20200518 (2021)
Zixin He, Hui Shao*, Hang Guo, and Jie Chen
Author Affiliations
  • School of Electronic and Information Engineering, Anhui Jianzhu University, Hefei 230601, China
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    DOI: 10.3788/IRLA20200518 Cite this Article
    Zixin He, Hui Shao, Hang Guo, Jie Chen. Classification of coal/rock based on Hyperspectral LiDAR calibration-free signals[J]. Infrared and Laser Engineering, 2021, 50(10): 20200518 Copy Citation Text show less
    Schematic diagram of HSL
    Fig. 1. Schematic diagram of HSL
    (a) Waveform distribution diagram of WE; (b) Waveform distribution diagram of JSKF
    Fig. 2. (a) Waveform distribution diagram of WE; (b) Waveform distribution diagram of JSKF
    ParameterValue
    Spectral range/nm650-1100
    Spectral resolution/nm5
    Output efficiency>40%
    PolarizationLine polarization
    Beam divergence/mrad0.4
    Table 1. Specification of AOTF-HSL
    DataRFSVM
    AccuracyAccuracy
    Intensity100%100%
    WE100%100%
    JSKF100%100%
    Calibrated100%100%
    Table 2. Full channels classification accuracy
    DataRFSVM
    Number of channelsNumber of channels
    Intensity2120
    WE1515
    JSKF66
    Calibrated64
    Table 3. Minimum number of random channels
    DataRFSVM
    AccuracyAccuracy
    WE88%90%
    JSKF96%100%
    Calibrated98%100%
    Table 4. 5-channel classification accuracy
    ClassifierRFSVM
    ChannelsAccuracyChannelsAccuracy
    WE2095.02%2095.34%
    JSKF3100%4100%
    Calibrated2100%3100%
    Table 5. 720-820 nm classification results
    ClassifierRFSVM
    ChannelsAccuracyChannelsAccuracy
    WE11100%7100%
    JSKF19100%7100%
    Calibrated10100%6100%
    Table 6. 1000-1100 nm classification results
    Zixin He, Hui Shao, Hang Guo, Jie Chen. Classification of coal/rock based on Hyperspectral LiDAR calibration-free signals[J]. Infrared and Laser Engineering, 2021, 50(10): 20200518
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