Image Restoration Using Joint Patch-Group-Based Sparse Representation.
Zhiyuan ZhaXin YuanBihan WenJiachao ZhangJiantao ZhouCe ZhuPublished in: IEEE Trans. Image Process. (2020)
Keyphrases
- sparse representation
- image restoration
- image patches
- blind image restoration
- joint optimization
- sparse coding
- edge preserving
- image processing
- face recognition
- total variation
- markov random field
- image classification
- compressive sensing
- regularization parameter
- regularized least squares
- super resolution
- image representation
- signal processing
- motion blur
- random projections
- high dimensional data
- dimensionality reduction
- test images
- degraded images
- point spread function
- blurred images
- image deblurring
- gaussian noise
- piecewise smooth
- low resolution
- data sets
- object recognition
- higher order
- feature vectors
- neural network
- image sequences
- low dimensional
- feature space