Group Sparse Representation for Restoring Blurred Images with Cauchy Noise.
Sangwon LeeMyungjoo KangPublished in: J. Sci. Comput. (2020)
Keyphrases
- sparse representation
- blind image restoration
- blurred images
- random projections
- dictionary learning
- sparse coding
- compressive sensing
- image restoration
- spatial domain
- face recognition
- image structure
- additive noise
- image classification
- synthetic and real images
- image patches
- signal processing
- point spread function
- motion blur
- high dimensional data
- image representation
- noise level
- dimensionality reduction
- missing data
- maximum likelihood
- gaussian noise
- multiscale
- image quality
- face images
- pattern recognition