Sub-Riemannian Geometry of Stiefel Manifolds.
Christian AutenriedIrina MarkinaPublished in: SIAM J. Control. Optim. (2014)
Keyphrases
- euclidean space
- information geometry
- geodesic distance
- tangent space
- riemannian manifolds
- fisher information
- information theory
- shape analysis
- lie group
- low dimensional
- metric space
- manifold learning
- higher dimensional
- vector space
- euclidean distance
- data points
- log euclidean
- geometric structure
- three dimensional
- manifold alignment
- finite dimensional
- bregman divergences
- low dimensional manifolds
- geodesic paths
- shape space
- high dimensional
- feature extraction
- geometric constraints
- dimensionality reduction
- covariance matrices