Sparse Inverse Covariance Matrices for Low Resource Speech Recognition.
Weibin ZhangPascale FungPublished in: IEEE Trans. Speech Audio Process. (2013)
Keyphrases
- speech recognition
- covariance matrices
- covariance matrix
- maximum likelihood
- hidden markov models
- vector space
- speech signal
- gaussian mixture model
- automatic speech recognition
- language model
- distance measure
- speech processing
- speech synthesis
- gaussian distribution
- gaussian mixture
- pattern recognition
- speech recognition systems
- speech recognition technology
- speech recognizer
- feature vectors
- noisy environments
- high dimensional
- speaker dependent
- sample size
- em algorithm
- linear classifiers
- speaker adaptation
- speaker independent
- speaker identification
- neural network
- data mining
- machine learning
- image processing
- broadcast news
- probabilistic model
- principal component analysis
- non stationary