Non-Gaussian component analysis using Density Gradient Covariance matrix.
Nima ReyhaniErkki OjaPublished in: IJCNN (2011)
Keyphrases
- covariance matrix
- component analysis
- blind source separation
- factor analysis
- independent component analysis
- principal component analysis
- covariance matrices
- sample size
- discriminant analysis
- geometrical interpretation
- non stationary
- negative matrix factorization
- gaussian mixture
- objective function
- statistical tests
- speech signal
- cluster analysis
- maximum likelihood
- computational complexity
- machine learning