MRI reconstruction based on Bayesian group sparse representation.
Jianxin CaoShujun LiuHongqing LiuKui ZhangPublished in: Signal Process. (2021)
Keyphrases
- sparse representation
- compressed sensing
- reconstruction error
- compressive sensing
- dictionary learning
- sparse reconstruction
- sparse coding
- high resolution
- image classification
- magnetic resonance imaging
- random projections
- single image super resolution
- sparsity constraints
- image super resolution
- face recognition
- image reconstruction
- image patches
- bayesian networks
- joint optimization
- sparse approximations
- magnetic resonance images
- medical images
- piecewise smooth
- regularized least squares
- high dimensional data
- image processing
- test images
- negative matrix factorization
- signal processing
- low resolution
- maximum likelihood
- multi view
- sparse learning
- feature extraction
- three dimensional