fitbookstein: Linear ellipse fit using bookstein constraint

Description Usage Arguments Value Author(s) Source References

View source: R/conicfit.R

Description

fitbookstein Linear ellipse fit using bookstein constraint

conic2parametric Diagonalise A - find Q, D such at A = Q' * D * Q

fitggk Linear least squares with the Euclidean-invariant constraint Trace(A) = 1

Usage

1

Arguments

x

array of sample data

Value

list(z, a, b, alpha)

list with fitted ellipse parameters

Author(s)

Jose Gama

Source

Richard Brown, May 28, 2007 http://www.mathworks.com/matlabcentral/fileexchange/15125-fitellipse-m/content/demo/html/ellipsedemo.html

References

Richard Brown, May 28, 2007 http://www.mathworks.com/matlabcentral/fileexchange/15125-fitellipse-m/content/demo/html/ellipsedemo.html

W. Gander, G. H. Golub, R. Strebel, 1994 Least-Squares Fitting of Circles and Ellipses BIT Numerical Mathematics, Springer



conicfit documentation built on May 19, 2017, 2:03 p.m.
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