Research Article

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

Figure 6

Acquired (a) and preprocessed (b) spectra of the different analysed wood slices, in the VIS-NIR field. Spectra preprocessing was carried out by adopting a GLSW procedure.
380536.fig.006a
(a)
380536.fig.006b
(b)