Segmentation of natural images using anisotropic diffusion and linking of boundary edges. - Junji Maeda; Takuya Iizawa; Tohru Ishizaka; Chiharu Ishikawa; Yukinori Suzuki (Pattern Recognit., 1998)

Rough and Accurate Segmentation of Natural Color Images Using Fuzzy Region-Growing Algorithm. - Junji Maeda; Chiharu Ishikawa; Sonny Novianto; N. Tadehara; Yukinori Suzuki (ICPR, 2000)

Toward a software development model for automatic marking software. - Hidekatsu Koike; Kiyoshi Akama; Chiharu Ishikawa; Nagatomo Nakamura; Shinya Watanabe (SIGUCCS, 2007)