Maximum mutual information speaker adapted training with semi-tied covariance matrices.
John W. McDonoughAlex WaibelPublished in: ICASSP (1) (2003)
Keyphrases
- covariance matrices
- mutual information
- covariance matrix
- maximum likelihood
- image registration
- gaussian distribution
- distance measure
- vector space
- gaussian mixture model
- feature selection
- similarity measure
- gaussian mixture
- training set
- multivariate normal
- linear classifiers
- machine learning
- training samples
- supervised learning
- feature vectors
- riemannian metric
- expectation maximization
- principal component analysis
- training data
- riemannian manifolds