Constrained ML estimation of structured covariance matrices with applications in radar STAP.
Bosung KangVishal MongaMuralidhar RangaswamyPublished in: CAMSAP (2013)
Keyphrases
- covariance matrices
- maximum likelihood
- estimation problems
- parameter estimation
- covariance matrix
- computer simulation
- gaussian distribution
- gaussian mixture model
- distance measure
- em algorithm
- mixture model
- vector space
- multivariate normal
- maximum a posteriori
- expectation maximization
- hyperparameters
- estimation error
- gaussian mixture
- lie group
- riemannian metric
- log euclidean
- density estimation
- bayesian networks
- face recognition
- computer vision