Semi-automated color segmentation from a biological cross-sectional image series: follicle segmentation from the equine ovary. - Satoko Takemoto; Taketoshi Mishima; Ryutaro Himeno; Junpei Kimura; Shigehisa Tsumagari; Hideo Yokota; Sakiko Nakamura; Yasuo Nambo (SMC (4), 2004)