Figure 6
From: Detection of REEs with lightweight UAV-based hyperspectral imaging
(A) Graph showing handheld spectra against Rikola spectra taken at the same location at Marinkas Quellen indicating the absence of Nd absorption features. (B) Graph showing handheld spectra against Rikola spectra taken at the same location at Siilinjärvi indicating the absence of Nd absorption features.
