Image Restoration via Group l2, 1 Norm-Based Structural Sparse Representation.
Kaisong ZhangLuo ZhongXuan Ya ZhangPublished in: Int. J. Pattern Recognit. Artif. Intell. (2018)
Keyphrases
- sparse representation
- image restoration
- blind image restoration
- regularized least squares
- norm minimization
- regularization method
- total variation
- sparse coding
- face recognition
- image processing
- edge preserving
- image classification
- compressive sensing
- super resolution
- convex optimization
- signal processing
- dimensionality reduction
- regularization parameter
- markov random field
- random projections
- image representation
- piecewise smooth
- high dimensional data
- image patches
- test images
- blurred images
- degraded images
- image deblurring
- computer vision
- image prior
- gaussian noise
- motion blur
- restored image
- high dimensional
- regularization methods
- image sequences
- low rank