Discriminatively Trained Sparse Inverse Covariance Matrices for Speech Recognition.
Weibin ZhangPascale FungPublished in: IEEE ACM Trans. Audio Speech Lang. Process. (2014)
Keyphrases
- speech recognition
- covariance matrices
- discriminatively trained
- covariance matrix
- object detection
- discriminative training
- maximum likelihood
- hidden markov models
- distance measure
- automatic speech recognition
- language model
- gaussian distribution
- speech signal
- generative model
- vector space
- pattern recognition
- discriminative learning
- gaussian mixture model
- high dimensional
- expectation maximization
- sparse representation
- feature vectors
- computer vision
- multiscale