〇Seiichi Suzuki¹, Hikaru Ugajin¹, Shoichi Tachikawa¹, Shigeru Kato¹, Christine D.A.P. Wiyono¹, Akihiro Arakawa², Shoichi Uchihara³, Motohiro Ohkura¹ (1. Faculty of Science and Technology, Seikei Univ. , 2. Tokyo Metropolitan Welfare Association for the Blind, 3. JSU Assistive Engineering Laboratory)

〇Ryo Hayama¹, Seiichi Suzuki¹, Shigeru Kato¹, Christine Wiyono¹, Takayuki Suzuki², Shoichi Uchihara³, Motohiro Ohokura¹ (1. Seikei University Faculty of Science and Technology, 2. Kanagawa Welfare Association for the Visually Impaired, 3. JSU Support Technology Laboratory)

〇Yun Li¹, Yoshimi Noguchi¹, Takeshi Tanaka¹ (1. Hitachi, Ltd.)

〇Muhamad Hafish Destarky¹, Yoshiyuki Kamakura², Mieko Ohsuga³ (1. Graduate School of Information Science and Technology, Osaka Institute of Technology, 2. Faculty of Information Science and Technology, Osaka Institute of Technology, 3. Faculty of Robotics and Design, Osaka Institute of Technology)