Correction method for collimator effect of ECT. - Satoshi Iwata; Chiaki Yoshida; Masato Nakajima; Koichi Ogawa; Shin'ichi Yuta (Syst. Comput. Jpn., 1986)

A model of visual motion perception for movements on a background. - Chiaki Yoshida; Akira Watanabe (Syst. Comput. Jpn., 1990)