Volumetric Change Detection in Bedrock Coastal Cliffs Using Terrestrial Laser Scanning and UAS-Based SfM

by Yuichi S. Hayakawa, Hiroyuki Obanawa
Published 2020-06-01

Variations in volumetric erosion rates of bedrock cliffs on a small inaccessible coastal island determined using measurements by an unmanned aerial vehicle with structure-from-moti...

by Hiroyuki Obanawa, Yuichi S. Hayakawa
Published 2018-06-01

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

Landslides triggered by an earthquake and heavy rainfalls at Aso volcano, Japan, detected by UAS and SfM-MVS photogrammetry

by Hitoshi Saito, Shoichiro Uchiyama, Yuichi S. Hayakawa, Hiroyuki Obanawa
Published 2018-03-01

Preface to the special issue “High-definition topographic and geophysical data in geosciences”

by Yuichi S. Hayakawa, Thad A. Wasklewicz, Hiroyuki Obanawa, Shigekazu Kusumoto
Published 2018-12-01

Shallow and Deep-Seated Landslide Differentiation Using Support Vector Machines: A Case Study of the Chuetsu Area, Japan

by Jie Dou, Uttam Paudel, Takashi Oguchi, Shoichiro Uchiyama, and Yuichi S. Hayakawa
Published 2015-01-01

Integration of Multi-Sensor Data to Estimate Plot-Level Stem Volume Using Machine Learning Algorithms–Case Study of Evergreen Conifer Planted Forests in Japan

by Kotaro Iizuka, Yuichi S. Hayakawa, Takuro Ogura, Yasutaka Nakata, Yoshiko Kosugi, Taichiro Yonehara
Published 2020-05-01