On sources covariance matrix singularities and high-resolution active wideband source localization.
Daniel GonçalvesPatrick GounonPublished in: ICASSP (1998)
Keyphrases
- covariance matrix
- source localization
- high resolution
- covariance matrices
- wireless sensor networks
- principal component analysis
- sample size
- mahalanobis distance
- direction of arrival
- gaussian mixture
- sound source
- super resolution
- geometrical interpretation
- computational auditory scene analysis
- objective function
- image processing
- eigendecomposition
- high quality
- estimation error
- multivariate gaussian
- eigenvalues and eigenvectors
- magnetic resonance images
- maximum likelihood
- feature extraction