Non-local tensor sparse representation and tensor low rank regularization for dynamic MRI reconstruction.
Minan GongGuixu ZhangPublished in: Int. J. Mach. Learn. Cybern. (2024)
Keyphrases
- trace norm
- compressive sensing
- sparse representation
- low rank
- norm minimization
- sparsity constraints
- low rank matrix recovery
- compressed sensing
- reconstruction error
- group sparsity
- sparse coding
- high dimensional data
- dictionary learning
- convex optimization
- random projections
- matrix completion
- high order
- rank minimization
- dimensionality reduction
- face recognition
- linear combination
- missing data
- signal processing
- negative matrix factorization
- image classification
- kernel matrix
- matrix factorization
- image reconstruction
- image representation
- image processing
- structured sparsity
- low rank matrix
- multi task
- singular value decomposition
- singular values
- piecewise smooth
- higher order
- diffusion tensor
- semi supervised
- active learning
- object recognition
- image patches
- image segmentation
- data sets