Infrared and Laser Engineering, Volume. 50, Issue 10, 20200518(2021)
Classification of coal/rock based on Hyperspectral LiDAR calibration-free signals
Figures & Tables(8)
Fig. 2. (a) Waveform distribution diagram of WE; (b) Waveform distribution diagram of JSKF
Table 1. Specification of AOTF-HSL
View tableView in ArticleTable 1. Specification of AOTF-HSL
Parameter Value Spectral range/nm 650-1100 Spectral resolution/nm 5 Output efficiency >40% Polarization Line polarization Beam divergence/mrad 0.4
Table 2. Full channels classification accuracy
View tableView in ArticleTable 2. Full channels classification accuracy
Data RF SVM Accuracy Accuracy Intensity 100% 100% WE 100% 100% JSKF 100% 100% Calibrated 100% 100%
Table 3. Minimum number of random channels
View tableView in ArticleTable 3. Minimum number of random channels
Data RF SVM Number of channels Number of channels Intensity 21 20 WE 15 15 JSKF 6 6 Calibrated 6 4
Table 4. 5-channel classification accuracy
View tableView in ArticleTable 4. 5-channel classification accuracy
Data RF SVM Accuracy Accuracy WE 88% 90% JSKF 96% 100% Calibrated 98% 100%
Table 5. 720-820 nm classification results
View tableView in ArticleTable 5. 720-820 nm classification results
Classifier RF SVM Channels Accuracy Channels Accuracy WE 20 95.02% 20 95.34% JSKF 3 100% 4 100% Calibrated 2 100% 3 100%
Table 6. 1000-1100 nm classification results
View tableView in ArticleTable 6. 1000-1100 nm classification results
Classifier RF SVM Channels Accuracy Channels Accuracy WE 11 100% 7 100% JSKF 19 100% 7 100% Calibrated 10 100% 6 100%
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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
Paper Information
Category: Lasers & Laser optics
Received: Dec. 9, 2020
Accepted: --
Published Online: Dec. 7, 2021
The Author Email: Shao Hui (shaohui@ahjzu.edu.cn)
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