Gesture Identification Based on Zone Entry and Axis Crossing. - Ryosuke Aoki; Yutaka Karatsu; Masayuki Ihara; Atsuhiko Maeda; Minoru Kobayashi; Shingo Kagami (HCI (2), 2011)

User grouping method for ad-hoc conversations based on proximity of users and speaking volumes acquired from portable sensors. - Yutaka Karatsu; Jin Nakazawa; Hideyuki Tokuda (UbiComp, 2011)

Lupe: information access method based on distance between user and sensor nodes using AR technology. - Takuya Takimoto; Yutaka Karatsu; Takuro Yonezawa; Jin Nakazawa; Kazunori Takashio; Hideyuki Tokuda (UbiComp, 2011)