Fig. 7From: Combining WV-2 images and tree physiological factors to detect damage stages of Populus gansuensis by Asian longhorned beetle (Anoplophora glabripennis) at the tree levelDetailed example of the RF mapping of Populus gansuensis forest. (a) 0.5-m WV-2 pan-sharpened true color image; (b) three damaged stages mapping based on RF classifierBack to article page