Sparse signal recovery using a Bernoulli generalized Gaussian prior.
Lotfi ChaâriJean-Yves TourneretCaroline ChauxPublished in: EUSIPCO (2015)
Keyphrases
- signal recovery
- generalized gaussian
- maximum a posteriori
- prior model
- prior distribution
- compressed sensing
- image reconstruction
- probability density function
- markov random field
- kullback leibler divergence
- wavelet coefficients
- bayesian framework
- maximum likelihood
- orthogonal matching pursuit
- wavelet domain
- posterior distribution
- prior information
- mixture model
- high dimensional
- image processing
- energy function
- bayesian inference
- hyperparameters
- sparse representation
- input image
- feature extraction