HMM Inversion with Full and Diagonal Covariance Matrices for Audio-to-Visual Conversion.
Lucas D. TerissiJuan Carlos GómezPublished in: SIGMAP (2008)
Keyphrases
- covariance matrices
- covariance matrix
- visual information
- hidden markov models
- visual data
- visual speech
- principal component analysis
- maximum likelihood
- sample size
- visual features
- distance measure
- vector space
- multivariate normal
- positive definite
- gaussian mixture model
- gaussian mixture
- riemannian manifolds
- multi stream
- gaussian distribution
- speech recognition
- feature vectors
- feature space
- support vector
- feature selection