Shape parameter estimation for generalized-Gaussian-distributed frequency spectra of audio signals.
Ryosuke SugiuraYutaka KamamotoTakehiro MoriyaPublished in: ICASSP (2017)
Keyphrases
- parameter estimation
- generalized gaussian
- audio signals
- markov random field
- posterior distribution
- maximum likelihood
- model selection
- maximum a posteriori
- least squares
- em algorithm
- prior distribution
- expectation maximization
- random fields
- prior model
- statistical models
- probability density function
- kullback leibler divergence
- wavelet coefficients
- image processing
- graph cuts
- hidden markov models
- prior information
- sar images
- pairwise
- higher order
- principal component analysis
- image segmentation
- prior knowledge