On the estimation of structured covariance matrices.
Mattia ZorziAugusto FerrantePublished in: Autom. (2012)
Keyphrases
- covariance matrices
- covariance matrix
- estimation problems
- maximum likelihood
- distance measure
- gaussian distribution
- gaussian mixture model
- vector space
- riemannian manifolds
- gaussian mixture
- multivariate normal
- estimation error
- feature vectors
- linear classifiers
- high dimensional
- sample size
- probabilistic model
- lie group
- log euclidean