Covariance Matrix Functions of Vector χ^2 Random Fields in Space and Time.
Chunsheng MaPublished in: IEEE Trans. Commun. (2011)
Keyphrases
- covariance matrix
- random fields
- covariance matrices
- eigenvalues and eigenvectors
- markov random field
- principal component analysis
- symmetric matrix
- transformation matrix
- vector space
- maximum entropy
- non stationary
- geometrical interpretation
- riemannian manifolds
- eigendecomposition
- sample size
- low dimensional
- feature vectors
- pseudo inverse
- conditional random fields
- search space
- gaussian mixture
- cma es
- correlation matrix
- parameter estimation
- lie group
- objective function
- laplacian matrix
- multivariate gaussian
- feature extraction
- computer vision
- genetic algorithm
- data mining