Machine learning estimators for the quantity and quality of grass swards used for silage production using drone-based imaging spectrometry and photogrammetry - Oliveira, Raquel Alves; Näsi, Roope; Niemeläinen, Oiva; Nyholm, Laura; Alhonoja, Katja; Kaivosoja, Jere; Jauhiainen, Lauri; Viljanen, Niko; Nezami, Somayeh; Markelin, Lauri; Hakala, Teemu; Honkavaara, Eija (American Elsevier Pub. Co., 2020)
Keywords: Hyperspectral; Drone; photogrammetry; Precise agriculture; Grass sward; biomass; Digestibility; nitrogen; Neutral detergent fibre; machine learning; Random forest; Multiple linear regression