Spatial accuracy assessment of unmanned aerial vehicle-based structures from motion multi-view stereo photogrammetry for geomorphic observations in initiation zones of debris flows...

by Haruka Tsunetaka, Norifumi Hotta, Yuichi S. Hayakawa, Fumitoshi Imaizumi
Published 2020-06-01

Comparison of length and dynamics of wood pieces in streams covered with coniferous and broadleaf forests mapped using orthophotos acquired by an unmanned aerial vehicle

by Haruka Tsunetaka, Slim Mtibaa, Shiho Asano, Takashi Okamoto, Ushio Kurokawa
Published 2021-03-01