Method of feature identification and analysis

Details Method of feature identification and analysis Method of feature identification and analysis

G - Physics

06

K

G06K 9/00 (2006.01) G06K 9/46 (2006.01) G06T 7/00 (2006.01) G06T 7/60 (2006.01)

Patent

CA 2483615

A method for efficiently and accurately inventorying image features such as timber, including steps of segmenting digital images into tree stands, segmenting tree stands into tree crowns, each tree crown having a tree crown area, classifying tree crowns based on specifies, and analyzing the tree crown classification to determine information about the individual tree crowns and aggregate tree stands. The tree crown area is used to determine physical information such as tree diameter breast height, tree stem volume and tree height. The tree crown area is also used to determine the value of timber in tree stands and parcels of land using tree stem volume and market price of timber per species.

L'invention porte sur un procédé efficace et précis d'inventaire des caractéristiques d'une image telle que celle d'une futaie consistant: à segmenter une image numérique en peuplements d'arbres, puis en houppiers présentant chacun une surface, puis à classer les houppiers pour obtenir des informations basées sur des spécificités, puis à analyser ledit classement pour obtenir des informations sur les différents houppiers et les agrégats de peuplement. On utilise la surfaces des houppiers pour obtenir des informations physiques sur le diamètre des arbres à la hauteur de la poitrine, le volume de leur tronc et leur hauteur. On utilise également les surfaces des houppiers pour déterminer la valeur du bois d'oeuvre des peuplements et des parcelles de terre, et les prix du marché du bois d'oeuvre par essence.

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