Low-Rankness Guided Group Sparse Representation for Image Restoration.
Zhiyuan ZhaBihan WenXin YuanJiantao ZhouCe ZhuAlex ChiChung KotPublished in: IEEE Trans. Neural Networks Learn. Syst. (2023)
Keyphrases
- sparse representation
- image restoration
- blind image restoration
- dictionary learning
- edge preserving
- sparse coding
- image processing
- compressive sensing
- total variation
- image patches
- face recognition
- image representation
- image classification
- super resolution
- dimensionality reduction
- signal processing
- image deblurring
- markov random field
- random projections
- high dimensional data
- regularized least squares
- piecewise smooth
- degraded images
- feature extraction
- point spread function
- gaussian noise
- regularization parameter
- blurred images
- image data
- image segmentation