Permutation-Invariant Log-Euclidean Geometries on Full-Rank Correlation Matrices.
Yann ThanwerdasPublished in: SIAM J. Matrix Anal. Appl. (2024)
Keyphrases
- rank correlation
- log euclidean
- affine invariant
- covariance matrices
- information retrieval evaluation
- affine transformation
- correlation coefficient
- covariance matrix
- riemannian metric
- maximum likelihood
- diffusion tensor
- test collection
- vector space
- tensor field
- euclidean space
- positive definite
- gaussian mixture model
- lie group
- distance measure
- convex hull
- riemannian manifolds
- image processing
- image registration
- multiscale