Covariance Matrix Estimation of Texture Correlated Compound-Gaussian Vectors for Adaptive Radar Detection.
Çagatay CandanFrédéric PascalPublished in: IEEE Trans. Aerosp. Electron. Syst. (2023)
Keyphrases
- covariance matrices
- covariance matrix
- estimation error
- gaussian mixture
- maximum likelihood
- multivariate gaussian
- generalized likelihood ratio
- principal component analysis
- normal distribution
- pseudo inverse
- mahalanobis distance
- gaussian distribution
- geometrical interpretation
- objective function
- sample size
- positive definite
- principal components
- feature vectors
- maximum likelihood estimation
- vector space
- distance measure
- symmetric matrix
- correlation matrix
- eigendecomposition
- parameter estimation
- target detection
- gaussian mixture model
- em algorithm
- genetic algorithm
- eigenvalues and eigenvectors
- density estimation
- feature selection
- computer vision