Robust Fitting of Implicit Polynomials with Quantized Coefficients to 2D Data. - Amir Helzer; Meir Barzohar; David Malah (ICPR, 2000)

Stable Fitting of 2D Curves and 3D Surfaces by Implicit Polynomials. - Amir Helzer; Meir Barzohar; David Malah (IEEE Trans. Pattern Anal. Mach. Intell., 2004)