Subspace Gaussian mixture models for dialogues classification.
Mohamed BouallegueMohamed MorchidRichard DufourDriss MatroufGeorges LinarèsRenato De MoriPublished in: INTERSPEECH (2014)
Keyphrases
- gaussian mixture model
- feature vectors
- feature space
- mixture model
- feature extraction
- covariance matrices
- maximum likelihood criterion
- density estimation
- em algorithm
- expectation maximization
- classification accuracy
- pattern classification
- model selection
- low dimensional
- machine learning
- maximum likelihood
- probability density
- text classification
- image classification
- face recognition
- supervised learning
- semi supervised
- image segmentation
- decision trees
- image processing
- speaker identification
- speaker recognition
- finite mixture models
- computer vision