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

Figure 1

(a) Scanning cross-laminated timber (CLT) specimens with hyperspectral near-infrared (NIR) surface measurements, (b) X-ray computed tomography (CT) surface and internal bulk measurements, (c) projection of surface NIR data with layers in the cube representing different spectral bands, and (d) density of specimen volume from X-ray.