Research Article
Quantification of the Spectral Variability of Ore-Bearing Granodiorite under Supervised and Semisupervised Conditions: An Upscaling Approach
Figure 7
(a–d) kNN results for levels: L0 using k = 5 (a), L1 using k = 4 (b), L2 using k = 1 (c), and L0x using k = 3 (d), on a PCA space.
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