| curve_karcher_cov {fdasrvf} | R Documentation |
Calculate Karcher Covariance of a set of curves
curve_karcher_cov(v, len = NA)
v |
array (n,T,N) for N number of shooting vectors |
len |
lengths of curves (default=NA) |
K covariance matrix
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.
data("mpeg7")
out = curve_karcher_mean(beta[,,1,1:2], maxit=2) # note: use more shapes, small for speed
K = curve_karcher_cov(out$v)