Estimation of Space-Varying Covariance Matrices.
Catarina BarataJoão Miranda LemosJorge S. MarquesPublished in: ICIP (2018)
Keyphrases
- covariance matrices
- covariance matrix
- vector space
- estimation problems
- maximum likelihood
- gaussian distribution
- riemannian metric
- riemannian manifolds
- distance measure
- gaussian mixture model
- low dimensional
- lie group
- multivariate normal
- computer vision
- log euclidean
- linear classifiers
- em algorithm
- feature vectors
- support vector