Research Article

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

Figure 7

Images of the investigated poplar samples used to build the model. (a) acquired images and (b) images resulting from hypercube data rendering (i.e., false colours) according to the spectral response of the samples in the VIS-NIR range.
380536.fig.007a
(a)
380536.fig.007b
(b)