Effective online unsupervised adaptation of Gaussian mixture models and its application to speech classification.
Yongxin ZhangMichael S. ScordilisPublished in: Pattern Recognit. Lett. (2008)
Keyphrases
- gaussian mixture model
- speaker recognition
- feature vectors
- speech music discrimination
- mixture model
- speaker identification
- feature space
- unsupervised learning
- supervised learning
- density estimation
- probabilistic neural network
- em algorithm
- pattern classification
- probability density function
- decision trees
- mel frequency cepstral coefficients
- classification accuracy
- feature extraction
- support vector
- maximum likelihood criterion
- text classification
- image classification
- semi supervised
- pattern recognition
- probability density
- machine learning
- covariance matrices
- maximum likelihood
- probabilistic model
- image segmentation
- variational bayes
- class labels
- expectation maximization