Geodesic Paths for Time-Dependent Covariance Matrices in a Riemannian Manifold.
Avishai Ben-DavidJustin MarksPublished in: IEEE Geosci. Remote. Sens. Lett. (2014)
Keyphrases
- riemannian metric
- covariance matrices
- riemannian manifolds
- covariance matrix
- log euclidean
- maximum likelihood
- vector space
- distance measure
- gaussian mixture model
- gaussian distribution
- square root
- symmetric positive definite
- feature vectors
- gaussian mixture
- euclidean space
- lie group
- linear classifiers
- em algorithm
- shape space
- image segmentation
- model selection
- multi class
- objective function