A simple approach for the estimation of circular arc center and its radius. - Samuel M. Thomas; Yiu Tong Chan (Comput. Vis. Graph. Image Process., 1989)

Cramer-Rao Lower Bounds for Estimation of a Circular Arc Center and Its Radius. - Samuel M. Thomas; Yiu Tong Chan (CVGIP Graph. Model. Image Process., 1995)

An Approximate Maximum Likelihood Linear Estimator of Circle Parameters. - Yiu Tong Chan; Samuel M. Thomas (CVGIP Graph. Model. Image Process., 1997)