A perturbation analysis of nonconvex block-sparse compressed sensing.
Jianjun WangJing ZhangWendong WangChan-Yun YangPublished in: Commun. Nonlinear Sci. Numer. Simul. (2015)
Keyphrases
- compressed sensing
- image reconstruction
- sparse representation
- random projections
- compressive sampling
- natural images
- signal recovery
- signal processing
- basis pursuit
- orthogonal matching pursuit
- convex optimization
- sparse coding
- compressive sensing
- object recognition
- data sets
- fourier domain
- input data
- pattern recognition
- multiscale
- image processing