Hierarchical clustering method for the segmentation of medical images. - Keiko Ohkura; Hidezaku Nishizawa; Takashi Obi; Masahiro Yamaguchi; Nagaaki Ohyama (Image Processing, 1998)

Hierarchical Image Segmentation Using Adaptive Pattern Sizes. - Keiko Ohkura; Yücel Ugurlu; Hidekazu Nishizawa; Takashi Obi; Akira Hasegawa; Masahiro Yamaguchi; Nagaaki Ohyama (ICIP (3), 1999)

Detection of Increasing Profusion of Opacities from a Sequence of Personal Chest Radiographs. - Yücel Ugurlu; Keiko Ohkura; Takashi Obi; Akira Hasegawa; Masahiro Yamaguchi; Nagaaki Ohyama (ICIP (3), 1999)