Calculation method of damage classification of pine pileworm and damage classification calculation device of pine pileworm

摘要

PROBLEM TO BE SOLVED: To provide methods of calculating damage classification of pine wilt disease and apparatus for calculating damage classification of pine wilt disease which make the production of materials showing the damage situation of pine wilt disease in a Japanese red pine forest achievable in a short time and with high accuracy.SOLUTION: A method of calculating damage classification of pine wilt disease in which the number of Japanese red pines are calculated by the damage classification using the image data of a Japanese red pine forest produced based on spectral reflection properties of tree species included in photographed image data comprises a Japanese red pine forest tree apex imaging data production step S31 of producing imaging data of Japanese red pine forest tree apex, a Japanese red pine forest tree crown imaging data production step S32 of producing imaging data of Japanese red pine forest tree crown, a tree crown specific damage classification image data production step S33 of producing imaging data of damage classification by tree crown, a tree apex specific damage classification imaging data production step S34, a damage classification specific number calculating step S40 of calculating the number of Japanese red pine trees by a damage classification, and a damage ratio classification figure production step S50 of producing a damage ratio classification figure.SELECTED DRAWING: Figure 2