Truncated Nuclear Norm Minimization Based Group Sparse Representation for Image Restoration.
Tianyu GengGuiling SunYi XuJingfei HePublished in: SIAM J. Imaging Sci. (2018)
Keyphrases
- sparse representation
- image restoration
- blind image restoration
- total variation
- sparse coding
- image classification
- compressive sensing
- image processing
- face recognition
- dimensionality reduction
- regularization parameter
- signal processing
- super resolution
- random projections
- image patches
- markov random field
- image representation
- piecewise smooth
- gaussian noise
- high dimensional data
- test images
- regularized least squares
- computer vision
- blurred images
- data sets
- small number
- pairwise
- feature selection
- norm minimization