Hyperparameter estimation in maximum a posteriori regression using group sparsity with an application to brain imaging.
Yousra BekhtiRoland BadeauAlexandre GramfortPublished in: EUSIPCO (2017)
Keyphrases
- maximum a posteriori
- brain imaging
- map estimation
- hyperparameters
- markov random field
- human brain
- image reconstruction
- maximum likelihood
- bayesian framework
- gaussian processes
- em algorithm
- expectation maximization
- model selection
- regression model
- energy function
- edge preserving
- image analysis
- dictionary learning
- pattern recognition
- medical imaging
- image processing
- image restoration
- higher order
- probabilistic model