Hovering fingertips detection on diffused surface illumination. - Nao Akechi; Tsukasa Mizumata; Ryuuki Sakamoto (ITS, 2011)

Multi-resolution bullet-time effect. - Nao Akechi; Itaru Kitahara; Ryuuki Sakamoto; Yuichi Ohta (SIGGRAPH ASIA Posters, 2014)