multivariate_karcher_cov {fdasrvf} | R Documentation |
Curve Karcher Covariance
Description
Calculate Karcher Covariance of a set of curves
Usage
multivariate_karcher_cov(align_data)
Arguments
align_data |
fdacurve object from multivariate_karcher_mean of aligned data |
Value
K covariance matrix
References
Srivastava, A., Klassen, E., Joshi, S., Jermyn, I., (2011). Shape analysis of elastic curves in euclidean spaces. Pattern Analysis and Machine Intelligence, IEEE Transactions on 33 (7), 1415-1428.
Examples
out <- multivariate_karcher_mean(beta[, , 1, 1:2], maxit = 2)
# note: use more shapes, small for speed
K <- multivariate_karcher_cov(out)
[Package fdasrvf version 2.4.0 Index]