Authors: Ahn, SJ Rauh, W Kim, SI

Citation: Sj. Ahn et al., Circular coded target for automation of optical 3D-measurement and camera calibration, INT J PATT, 15(6), 2001, pp. 905-919

Authors: Ahn, SJ Rauh, W Warnecke, HJ

Citation: Sj. Ahn et al., Least-squares orthogonal distances fitting of circle, sphere, ellipse, hyperbola, and parabola, PATT RECOG, 34(12), 2001, pp. 2283-2303

Authors: Ahn, SJ Rauh, W

Citation: Sj. Ahn et W. Rauh, Geometric least squares fitting of circle and ellipse, INT J PATT, 13(7), 1999, pp. 987-996