A Study on Propagation Characteristics of Spread Spectrum Sound Waves Using a Band-Limited Ultrasonic Transducer. - Akio Yamane; Taketoshi Iyota; Yongwoon Choi; Yuzuru Kubota; Kazuhiro Watanabe (J. Robotics Mechatronics, 2004)

An improved view-based navigation by adjustable position resolution. - Yoshinobu Hagiwara; Yongwoon Choi; Kazuhiro Watanabe (ICARA, 2009)

Measurement accuracy on indoor positioning system using spread spectrum ultrasonic waves. - Akimasa Suzuki; Taketoshi Iyota; Yongwoon Choi; Yuzuru Kubota; Kazuhiro Watanabe; Akio Yamane (ICARA, 2009)

Measurement of a Container Crane Spreader Under Bad Weather Conditions by Image Restoration. - Hideki Kawai; Young-Bok Kim; Yongwoon Choi (IEEE Trans. Instrum. Meas., 2012)

Accuracy of distance measurements using signal tracking of spread-spectrum ultrasonic waves with CDMA. - Akimasa Suzuki; Ken Kumakura; Yongwoon Choi; Taketoshi Iyota (IPIN, 2014)

Cloud based VR System with Immersive Interfaces to Collect Human Gaze and Body Motion Behaviors. - Yoshinobu Hagiwara; Yoshiaki Mizuchi; Yongwoon Choi; Tetsunari Inamura (HRI (Extended Abstracts), 2015)

SOBIT-Begin, a programming course system for beginners. - Manabu Koide; Yongwoon Choi (ICEEL, 2021)

Evaluation of the Difference of Human Behavior between VR and Real Environments in Searching and Manipulating Objects in a Domestic Environment. - Nanami Takahashi; Tetsunari Inamura; Yoshiaki Mizuchi; Yongwoon Choi (RO-MAN, 2021)