Autonomous Positioning of Eye Surgical Robot Using the Tool Shadow and Kalman Filtering. - Takashi Tayama; Yusuke Kurose; Murilo M. Marinho; Yuki Koyama 002; Seiji Omata; Koichiro Sugimoto; Fumiyuki Araki; Kiyohito Totsuka; Muneyuki Takao; Makoto Aihara (EMBC, 2018)