STUDY ON HOW TO ENSURE THE ACCURACY OF 3D MODEL IN DIGITAL INSPECTION OF DAM BODY DEGRADATION SURVEY
2023 Volume 4 Issue 2 Pages 38-43
Details
2023 Volume 4 Issue 2 Pages 38-43
Current maintenance management methods are based on human work, but new inspection and maintenance management methods utilizing new technologies such as ICT and AI are needed to ensure appropriate maintenance management even as the social structure changes in the future. This paper focuses on dam body’s inspections and examine how to ensure the accuracy of 3D reconstruction using images taken by UAV. Although many ground control points are necessary to ensure accuracy, ground control points can only be placed in limited locations, such as at the top of a dam, in a dam. Therefore, we proposed a method to ensure 3D reconstruction accuracy by combining coordinate measurement results such as point cloud data and photogrammetry, and verified the usefulness of this method.
