Non-convex block-sparse compressed sensing with redundant dictionaries.
Chunyan LiuJianjun WangWendong WangZhi WangPublished in: IET Signal Process. (2017)
Keyphrases
- compressed sensing
- sparse representation
- image reconstruction
- sparse coding
- random projections
- image patches
- basis pursuit
- compressive sampling
- signal recovery
- image classification
- face recognition
- compressive sensing
- convex optimization
- natural images
- image representation
- orthogonal matching pursuit
- signal processing
- dimensionality reduction
- motion estimation
- high dimensional data
- motion blur
- denoising
- fourier domain
- feature extraction
- image processing