Heteroscedastic discriminant analysis and reduced rank HMMs for improved speech recognition.
Nagendra KumarAndreas G. AndreouPublished in: Speech Commun. (1998)
Keyphrases
- speech recognition
- discriminant analysis
- linear discriminant analysis
- hidden markov models
- face recognition
- language model
- speech recognizer
- pattern recognition
- feature extraction
- automatic speech recognition
- principal component analysis
- speech processing
- speech recognition technology
- dimensionality reduction
- support vector
- speech synthesis
- noisy environments
- speaker identification
- speech signal
- handwriting recognition
- support vector machine svm
- speech recognition systems
- fisher criterion
- partial least squares
- high dimensional data
- feature space
- cluster analysis
- kernel principal component analysis
- image retrieval
- gaussian distribution
- feature vectors
- text classification
- training data