Bures-Wasserstein Minimizing Geodesics between Covariance Matrices of Different Ranks.

Yann Thanwerdas Xavier Pennec

Published in: SIAM J. Matrix Anal. Appl. (2023)

Keyphrases

covariance matrices
riemannian metric
covariance matrix
maximum likelihood
gaussian mixture model
vector space
gaussian distribution
distance measure
linear classifiers
log euclidean
gaussian mixture
multivariate normal
geometric properties
feature vectors
knn
sample size
fisher information
computer vision