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Journal of Spectroscopy
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Journal of Spectroscopy
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2018
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Article
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Fig 4
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Research Article
Characterization and Identification of Coal and Carbonaceous Shale Using Visible and Near-Infrared Reflectance Spectroscopy
Figure 4
Flowcharts of procedures of PCA-SVM (a) and GRB-KPCA-SVM (b) models.
(a)
(b)