Abstract
In this study, high-resolution uav platform and motion structure modeling technology were used to research. Based on uav-image, vegetation coverage was automatically estimated by decision tree algorithm, and superimposed with DEM data to analyze the spatial distribution characteristics of vegetation in gobi region and its relationship with terrain. The results show that, based on the high definition image of UAV, the uav high precision image analysis platform is used to extract the sparse vegetation coverage in the Gobi region, and good accuracy is obtained. The use of uav image data has a good applicability for analyzing the sparse vegetation distribution characteristics in the Gobi region.
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