Acquisition of Disaster Emergency Information Using a Terrain Database by Flying Robots. - Yasuki Miyazaki; Takafumi Hirano; Takaaki Kobayashi; Yoshihiro Imai; Shin Usuki; Yuichi Kobayashi; Kenji Terabayashi; Kenjiro T. Miura 001 (J. Robotics Mechatronics, 2018)