A variational EM method for pole-zero modeling of speech with mixed block sparse and Gaussian excitation.
Liming ShiJesper Kjær NielsenJesper Rindom JensenMads Græsbøll ChristensenPublished in: EUSIPCO (2017)
Keyphrases
- preprocessing
- computational complexity
- significant improvement
- probabilistic model
- objective function
- modeling method
- maximum likelihood
- em algorithm
- neural network
- gaussian distribution
- high accuracy
- detection method
- parameter estimation
- sparse matrix
- segmentation method
- expectation maximization
- cost function
- high dimensional
- pairwise
- feature selection