Research on the Application of Air-ground Integrated Refined 3D Modeling Technology in Geological Disaster Investigation
Disaster risk investigation and investigation of key hidden dangers are one of the key tasks from the central government to lo-cal governments,and the geological disaster work areas are mostly steep and dangerous peaks,prone to falling rocks and landslides,which brings a lot of inconvenience to the disaster investigation work. With the development of UAV oblique photogrammetric technolo-gy,it has been widely used in geological hazard investigation thanks to its advantages of high efficiency,low cost,and diversified re-sults. In this paper,a high-accuracy three-dimensional model of geological real scene is established by acquiring the image data of the survey area from multiple angles in the field,and then the development of the dangerous rock mass is interpreted. It has been veri-fied that this technology can effectively reduce the risk factor of geological hazard investigation,meet the requirements of refined geo-logical hazard investigation,and realize the transition from "manual field investigation" to "remote interpretation investigation".
air-ground integrationunmanned aerial vehiclerealistic 3D modelgeological disaster investigation