Wavelet-based parallel MRI regularization using bivariate sparsity promoting priors.
Lotfi ChaâriAmel Benazza-BenyahiaJean-Christophe PesquetPhilippe CiuciuPublished in: ICIP (2009)
Keyphrases
- mixed norm
- magnetic resonance imaging
- prior information
- medical images
- multiresolution
- parallel processing
- sparse approximation
- magnetic resonance images
- mr images
- high dimensional
- parallel implementation
- high resolution
- medical imaging
- image compression
- wavelet transform
- sparse representation
- feature extraction
- markov random field
- image registration
- regularization parameter
- shared memory
- regularization term
- parallel computing
- mri data
- tensor product
- sparsity constraints
- prior knowledge