AtoG

 vector or array with geometric parameters (A, B, C, D, E, F)

ParA

<code>AtoG</code> converts algebraic parameters (A, B, C, D, E, F) to 
	geometric parameters (Center(1:2), Axes(1:2), Angle).


datasets

Geometric circle fitting with Levenberg-Marquardt (a, b, R), Levenberg-Marquardt reduced (a, b), Landau, Spath and Chernov-Lesort. Algebraic circle fitting with Taubin, Kasa, Pratt and Fitzgibbon-Pilu-Fisher. Geometric ellipse fitting with ellipse LMG (geometric parameters) and conic LMA (algebraic parameters). Algebraic ellipse fitting with Fitzgibbon-Pilu-Fisher and Taubin.

Jose Gama

conicfit

Algorithms for Fitting Circles, Ellipses and Conics Based on the
Work by Prof. Nikolai Chernov

AtoG function

code is:  -1 - degenerate cases  
           0 - imaginary ellipse  
           4 - imaginary parell lines
           1 - ellipse  2 - hyperbola 3 - parabola

Format

Nikolai Chernov, 2014
Fitting ellipses, circles, and lines by least squares
<a href="http://people.cas.uab.edu/~mosya/cl/">http://people.cas.uab.edu/~mosya/cl/</a> Nikolai Chernov, 2010
Circular and linear regression: Fitting circles and lines by least squares
Chapman & Hall/CRC, Monographs on Statistics and Applied Probability, Volume 117

AtoG: Conversion of algebraic parameters to geometric parameters

Description

Usage

Arguments

Value

Format

Source

References

Examples