Research Article

Surface Investigation of Photo-Degraded Wood by Colour Monitoring, Infrared Spectroscopy, and Hyperspectral Imaging

Figure 11

Reconstructed sample image, obtained combining the four different selected ROIs inside the different wood samples and used to perform the hyperspectral-based PLS-DA model validation (a). PLS-DA prediction (most probable class prediction) (b).
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(a)
380536.fig.0011b
(b)