Comment on 'Sparse block circulant matrices for compressed sensing'.
Lei QuanSong XiaoMengsi WangPublished in: IET Commun. (2014)
Keyphrases
- compressed sensing
- image reconstruction
- coefficient matrix
- sparse representation
- random projections
- fourier transform
- compressive sampling
- natural images
- fourier domain
- signal recovery
- least squares
- singular value decomposition
- signal processing
- orthogonal matching pursuit
- image classification
- sparse coding
- convex optimization
- higher order
- compressive sensing
- knn
- high dimensional