Exact Reconstruction of Sparse Signals via Nonconvex Minimization.
Rick ChartrandPublished in: IEEE Signal Process. Lett. (2007)
Keyphrases
- signal reconstruction
- compressive sensing
- compressed sensing
- objective function
- image reconstruction
- random projections
- sparse representation
- basis functions
- sparse signal representation
- signal processing
- image restoration and reconstruction
- reconstruction error
- low rank matrices
- convex optimization
- sparse data
- convex functions
- global optimization
- orthogonal matching pursuit
- binary matrices
- sparse reconstruction
- three dimensional
- high dimensional
- stationary points
- dictionary learning
- optimization problems
- natural images
- exact solution
- basis pursuit
- linear program
- x ray