Digital tree mapping and its applications
E. Shimborsky · 2003
The paper describes a horticultural application in which a spraying device is manoeuvring in an orchard and is capable of adjusting spraying volumes in real time. Spraying volume adjustments can be calculated by interpolating the device’s actual positioning data with pre-calculated three-dimensional mapping data of orchard trees. Mapping data is obtained from digital aerial scans by applying automated image processing and photogrammetric techniques. Results of a three-dimensional digital modeling of orchard trees are presented and applications discussed. Three-Dimensional surface analysis of digital models of orchard trees is used for preparing spraying missions. Spraying nozzle positions are pre-calculated by placing nominal spraying routes in a three-dimensional model of tree canopies. Methods for three-dimensional tree modeling and automatic generation of nozzle trajectory routes will be discussed, and ground-testing results of the EU PRECISPRAY project will be presented.