Hyperspectral imaging of weathered wood samples in transmission mode

Figures & data

1 Locations of sites where the Round Robin tests were performed a, test set-up for samples during weathering b and change in appearance of the wood samples from day 1 to day 28 in San Michele (Italy) c

2 Mosaic of wood sample images after natural weathering between 0 and 28 days; grayscale of light transmission at 970 nm a, scores on PC1 b and PC1 loadings c

3. K-means clustering on the mosaic of weathered wood after pre-selecting 3 a, 4 b and 5 classes c