Ellipse Detection using Grouping of Edgels into Line-Support Regions. - Tsuyoshi Kawaguchi; Ryo-ichi Nagata (ICIP (3), 1998)

Ellipse detection using a genetic algorithm. - Tsuyoshi Kawaguchi; Ryo-ichi Nagata (ICPR, 1998)

Detection of Target Models in 2D Images by Line-Based Matching and a Genetic Algorithm. - Tsuyoshi Kawaguchi; Ryo-ichi Nagata; Takayuki Sinozaki (ICIP (2), 1999)

Accurate Determination of Lung Boundary from Lung Apex to Costophrenic Angle in Chest Radiographs. - Ryo-ichi Nagata; Tsuyoshi Kawaguchi; Hidetoshi Miyake (BMEI, 2009)

Automated detection of lung nodules in chest radiographs using a false-positive reduction scheme based on template matching. - Ryo-ichi Nagata; Tsuyoshi Kawaguchi; Hidetoshi Miyake (BMEI, 2012)

A computer-aided diagnosis system for lung nodule detection in chest radiographs using a two-stage classification method based on radial gradient and template matching. - Ryo-ichi Nagata; Tsuyoshi Kawaguchi; Hidetoshi Miyake (BMEI, 2013)