Multivariate Image Analysis Applied to Cross-Laminated Timber: Combined Hyperspectral Near-Infrared and X-ray Computed Tomography

<div>Model based on hyperspectral near-infrared (NIR) surface data and X-ray computed tomography (CT) volume data: (a) knot cluster in black partial least squares discriminant analysis (PLS-DA) scatter plot; (b) contour plot shows knots in a specimen volume; and (c) predicted dead knots.</div>

Journal of Spectroscopy

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Figure 4: Multivariate Image Analysis Applied to Cross-Laminated Timber: Combined Hyperspectral Near-Infrared and X-ray Computed Tomography 