Evaluation of gravel sphericity and roundness based on surface-area measurement with a laser scanner. - Yuichi Hayakawa; Takashi Oguchi (Comput. Geosci., 2005)

Fusion between UAV-SFM and terrestrial laser scanner for field validation of satellite remote sensing. - Akira Kato; Hiroyuki Obanawa; Yuichi Hayakawa; Manabu Watanabe; Yoshio Yamaguchi; Tsutomu Enoki (IGARSS, 2015)

Tropical forest disaster monitoring with multi-scale sensors from terrestrial laser, UAV, to satellite radar. - Akira Kato; Hiroyuki Wakabayashi; Yuichi Hayakawa; Matt Bradford; Manabu Watanabe; Yoshio Yamaguchi (IGARSS, 2017)

Integration of Multi-Sensor Data to Estimate Plot-Level Stem Volume Using Machine Learning Algorithms-Case Study of Evergreen Conifer Planted Forests in Japan. - Kotaro Iizuka; Yuichi Hayakawa; Takuro Ogura; Yasutaka Nakata; Yoshiko Kosugi; Taichiro Yonehara (Remote. Sens., 2020)

Volumetric Change Detection in Bedrock Coastal Cliffs Using Terrestrial Laser Scanning and UAS-Based SfM. - Yuichi Hayakawa; Hiroyuki Obanawa (Sensors, 2020)