斜面 (8)

[III-383] A study of mountain stream survey method along expressways using unmanned aerial vehicles(No.2)

*Takumi Kodani¹, Sakura Oki¹, Toyokazu Murakami², Shingo Yanagisako¹ (1. West Nippon Expressway Engineering Chugoku Co.,Ltd. , 2. Nippon Expressway Research Institute Co.,Ltd.)

Keywords:Unmanned Air Vehicle, Structure from Motion, Debris flow, Mountain Stream Survey, Landslide Inflow Disaster