Fig. 19
From: From RGB camera to hyperspectral imaging: a breakthrough in Neolithic rock painting analysis
Zoom of a small part of panel #4, highlighting a small figure only seen in the ICA components containing secondary information (#2, #5, #7, #8). a ICA ‘secondary’ component #2. b MNF component #4 displaying a slightly better signal-to-noise ratio and thus a better figure definition. Scale and location given in Fig. 17
