An M-Estimator for Robust Centroid Estimation on the Manifold of Covariance Matrices.
Ioana IleaLionel BombrunRomulus TerebesMonica BordaChristian GermainPublished in: IEEE Signal Process. Lett. (2016)
Keyphrases
- covariance matrices
- covariance matrix
- estimation problems
- riemannian metric
- riemannian manifolds
- maximum likelihood
- lie group
- estimation error
- vector space
- distance measure
- gaussian mixture model
- euclidean space
- low dimensional
- multivariate normal
- parameter space
- principal component analysis
- semi supervised
- similarity measure
- machine learning