This is a fast non-iterative ellipse fit, and among fast non-iterative ellipse fits this is the most accurate and robust. It takes the xy-coordinates of data points, and returns the coefficients of the equation of the ellipse: ax^2 + bxy +

fit_ellipse - finds the best fit to an ellipse for the given set of points.-fit_ellipse- finds the best fit to an ellipse for the given set of points.