Vision based User Interface for Cellular Phones. - E. Nakamura; K. Murayama; M. Ichimura; Kazuaki Sawada (VIIP, 2001)

Fast global motion estimation algorithm based on elementary motion detectors. - E. Nakamura; K. Murayama; M. Ichimura; Kazuaki Sawada (ICIP (2), 2002)

Global motion vector estimation via elaborated reichardt parameter optimization. - E. Nakamura; C. Takahashi; Kazuaki Sawada (SIP, 2007)