Reconstructing Structured Sparse Signals from Compressive Samples via a Max-Product EM Algorithm
Zhao SongAleksandar DogandzicPublished in: CoRR (2012)
Keyphrases
- em algorithm
- compressive sensing
- max product
- loopy belief propagation
- expectation maximization
- mixture model
- belief propagation
- maximum likelihood
- parameter estimation
- gaussian mixture model
- sparse representation
- incomplete data
- message passing
- generative model
- hyperparameters
- high dimensional
- hidden variables
- maximum a posteriori
- training samples
- density estimation
- markov random field
- hidden markov models
- training set
- energy function
- probability density function
- graphical models
- approximate inference
- probabilistic model