Automatic extraction and tracking of contours. - Koichi Hata; Jun Ohya; Fumio Kishino; Ryohei Nakatsu (ICPR, 1996)

Estimation of Structure and Motion Parameters for a Roaming Robot that Scans the Space. - Minoru Etoh; Toshimichi Aoki; Koichi Hata (ICCV, 1999)

Epipolar Geometry Estimation and Its Application to Image Coding. - Koichi Hata; Minoru Etoh (ICIP (2), 1999)

Automatic extraction and tracking of complex contours. - Koichi Hata; Jun Ohya; Fumio Kishino; Ryohei Nakatsu (Syst. Comput. Jpn., 1999)