Fig. 23
From: From RGB camera to hyperspectral imaging: a breakthrough in Neolithic rock painting analysis
End-member spectra (average of 35 to 75 pixels for pigments, > 300 for rock) of the whitish human figures (dark blue: #1, light blue: #2) with the surrounding wall (grey and black) and the two types of bovine seen in ICA component #3 and 4 (orange and red) of panel #5
