Imputing stem frequency distributions using harvester and airborne laser scanner data: a comparison of inventory approaches
Lennart Noordermeer,
Hans Ole Ørka,
Terje Gobakken
Abstract:Stem frequency distributions provide useful information for pre-harvest planning. We compared four inventory approaches for imputing stem frequency distributions using harvester data as reference data and predictor variables computed from airborne laser scanner (ALS) data. We imputed distributions and stand mean values of stem diameter, tree height, volume, and sawn wood volume using the k-nearest neighbor technique. We compared the inventory approaches: (1) individual tree crown (ITC), semi-ITC, area-based (A… Show more
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