Learning Strategy in Time-to-Contact Estimation of Falling Objects. - Hiroyuki Kambara; Keiichi Ohishi; Yasuharu Koike (J. Adv. Comput. Intell. Intell. Informatics, 2011)

Recalibration of time to contact. - Toshihiro Kawase; Keiichi Ohishi; Kazuya Yoneyama; Hiroyuki Kambara; Yasuharu Koike (Robotics Auton. Syst., 2012)