3D Gaussian Splatting Reconstruction from Oblique Photographs and Detection of Ground Surface Changes Using Airborne LiDAR Surveying

Abstract

A 3D Gaussian Splatting model was generated from oblique aerial photographs acquired after the 2026 Kumamoto Earthquake and distributed via the web, enabling rapid visualization and information sharing of the disaster situation. Furthermore, surface deformation in the Yatsushiro City and Hikawa Town areas was quantified using airborne LiDAR data acquired before and after the earthquake.