A novel nonlocal MRI reconstruction algorithm with patch-based low rank regularization.
Liyan SunJinchu ChenDelu ZengXinghao DingPublished in: GlobalSIP (2015)
Keyphrases
- low rank
- rank minimization
- trace norm
- minimization problems
- kernel matrices
- group sparsity
- convex optimization
- missing data
- linear combination
- matrix completion
- matrix factorization
- kernel matrix
- singular value decomposition
- high dimensional data
- low rank matrix
- semi supervised
- variational framework
- high resolution
- matrix decomposition
- high order
- image restoration
- image denoising
- denoising
- low rank matrices
- robust principal component analysis
- norm minimization
- low rank approximation
- regularization parameter
- affinity matrix
- reproducing kernel hilbert space
- regularization term
- total variation
- level set
- dimensionality reduction
- higher order
- pairwise