Scene Analysis Of An Advanced Robot For Fire Fighting. - Takanori Sumi; Osamu Furuki; Kouichi Kojima; Hiroshi Mieno (IROS, 1988)

Estimation of 3-D shape from shading by using a constraint at zero-crossing. - Manas Sangworasil; Kouichi Kojima; Kiyoaki Atsuta; Shozo Kondo (Syst. Comput. Jpn., 1991)