1. Fitting ellipses and general second-order curves;Agin,1981
2. A RANSAC-based approach to model fitting and its applications to finding cylinders in range data;Bolles,1981
3. A survey of least square ellipse-fitting algorithms;Carnie,1990
4. Robust Statistics;Hampel,1986
5. A nonparametric method for fitting a straight line to a noisy image;Kamgar-Parsi;IEEE Trans. Pattern Anal. Machine Intell.,1989