Compressive sensing for cluster structured sparse signals: variational Bayes approach.
Lei YuChen WeiJinyuan JiaHong SunPublished in: IET Signal Process. (2016)
Keyphrases
- compressive sensing
- variational bayes
- signal reconstruction
- signal processing
- latent variables
- sparse representation
- bayesian inference
- random projections
- hyperparameters
- gaussian mixture model
- free energy
- compressive sampling
- bayesian learning
- latent dirichlet allocation
- clustering algorithm
- posterior distribution
- image representation
- exponential family
- data sets
- image processing
- pattern recognition
- model selection
- orthogonal matching pursuit
- support vector
- bayesian framework
- cluster analysis
- cross validation
- sample size
- face recognition
- probabilistic model
- compressed sensing
- computer vision
- machine learning
- data mining
- semi supervised
- expectation maximization