Deficient-basis-complementary rank-constrained spatial covariance matrix estimation based on multivariate generalized Gaussian distribution for blind speech extraction.
Yuto KondoYuki KuboNorihiro TakamuneDaichi KitamuraHiroshi SaruwatariPublished in: EURASIP J. Adv. Signal Process. (2022)
Keyphrases
- covariance matrix
- multivariate normal
- multivariate gaussian
- estimation error
- covariance matrices
- generalized gaussian distribution
- principal component analysis
- sample size
- spatial information
- maximum likelihood estimation
- objective function
- geometrical interpretation
- speech signal
- rotation invariant
- texture image retrieval
- subband
- dimensionality reduction
- image processing