Evaluation of Multichannel Hearing Aid System by Rank-Constrained Spatial Covariance Matrix Estimation.
Masakazu UneYuki KuboNorihiro TakamuneDaichi KitamuraHiroshi SaruwatariShoji MakinoPublished in: APSIPA (2019)
Keyphrases
- covariance matrix
- covariance matrices
- estimation error
- principal component analysis
- objective function
- sample size
- pseudo inverse
- mahalanobis distance
- feature selection
- eigenvalues and eigenvectors
- eigendecomposition
- positive definite
- cma es
- geometrical interpretation
- multivariate gaussian
- gaussian mixture
- transformation matrix
- parameter estimation
- k means
- high dimensional
- symmetric matrix
- similarity measure
- machine learning