維持管理（点検技術）

[I-204] Effect of photo wrap rate on crack width measurement using UAV and SfM

*Masataka Honda¹, Chihiro Morita¹, Kentaro Yasui², Akira Demizu³ (1. University of Miyazaki, 2. Kagoshima Institute of Technology, Kagoshima College, 3. Nagasaki University)

Keywords:Unmanned Aerial Vehicle, Structure from Motion, Crack width measurement, 3D model, Inspection, Photo duplication rate