ESTIMATING TREE HEIGHT USING LOW-COST UAV

Abstract. Precision agriculture (PA) is defined as an agricultural management based on the observation, measurement, and response of a set quantitative qualitative variables that affects production. The first step in approach to precision is, therefore, acquisition collection data from optical, multispectral, geophysical sensors, etc. aimed at obtaining knowledge monitoring crop. In recent years UAVs are assuming important role agriculture. possibility mounting RGB, LiDAR sensors them make these systems fast, accurate, usability compared other geomatic methods. this study, we focus very low-cost UAV system assess individual tree height generate 3D Model orthophoto study area. We used DJI Mini2, can be without flight rating restrictions due its light weight only 250 grams. case where survey was performed area about 1 hectare, some fruit trees small vineyard. selected because it contained both tall trees. concerned influence relative altitude therefore GSD images extraction dimensional From results obtained, stated has certainly more measurement (around one meter tall) ones 4 m).