I am trying to extract individual trees from a high resolution DSM in QGIS. I need to identify the trees and extract their individual height from the raster. Assuming I have identified the areas that I know contain trees, what tool can I use to get this information? Perhaps using some kind of local maxima?
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If you're interested, this is not directly an answer but it's a really nice study on forest data extraction from ALS and imagery; infoscience.epfl.ch/record/262809?– swiss_knightApr 3, 2020 at 14:36
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You can for example try Saga's "Local minima and maxima" tool:
