Variational Bayes Group Sparse Time-Adaptive Parameter Estimation With Either Known or Unknown Sparsity Pattern.
Konstantinos E. ThemelisAthanasios A. RontogiannisKonstantinos D. KoutroumbasPublished in: IEEE Trans. Signal Process. (2016)
Keyphrases
- parameter estimation
- variational bayes
- posterior distribution
- model selection
- hyperparameters
- maximum likelihood
- expectation maximization
- sparse representation
- bayesian learning
- markov chain monte carlo
- least squares
- em algorithm
- high dimensional
- markov random field
- gaussian mixture model
- free energy
- statistical models
- approximate inference
- latent variables
- parameter estimation algorithm
- exponential family
- parameter values
- bayesian inference
- latent dirichlet allocation
- image processing
- cross validation
- bayesian framework
- probability distribution
- pairwise
- image segmentation