Fig. 12From: Early detection of pine wilt disease in Pinus tabuliformis in North China using a field portable spectrometer and UAV-based hyperspectral imageryProducer’s and user’s accuracies for healthy (H), early (E), middle stage (M), and serious stage (S) of disease of pine tree pairs comparison achieved by random forest when the vegetation indices (a), red edge parameters (b), moisture indices (c), and combined all variables (d) based on ground spectrum dataBack to article page