Sparse block circulant matrices for compressed sensing.
Jingming SunShu WangYan DongPublished in: IET Commun. (2013)
Keyphrases
- compressed sensing
- image reconstruction
- coefficient matrix
- sparse representation
- random projections
- compressive sampling
- signal recovery
- natural images
- least squares
- orthogonal matching pursuit
- fourier transform
- signal processing
- super resolution
- fourier domain
- singular value decomposition
- face recognition
- higher order
- high quality