2023 Volume 62 Issue 6 Pages 277-283
We set the relationship between the occurrence position and river levee shape as an evaluation criterion, and developed the existing 3D viewer that can easily display Aerial Laser Bathymetry deta. This made it possible to extract anomalies that were not subject to re-evaluation until now. In addition, the introduction of the 3D viewer has made it possible for the person in charge of the management office to individually check all anomalies efficiently and accurately.