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]