fitbookstein {conicfit} | R Documentation |
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
fitbookstein(x)
x |
array of sample data |
list(z , a , b , alpha) |
list with fitted ellipse parameters |
Jose Gama
Richard Brown, May 28, 2007 http://www.mathworks.com/matlabcentral/fileexchange/15125-fitellipse-m/content/demo/html/ellipsedemo.html
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