A nonconvex penalty function with integral convolution approximation for compressed sensing.
Jianjun WangFeng ZhangJianwen HuangWendong WangChangan YuanPublished in: Signal Process. (2019)
Keyphrases
- compressed sensing
- penalty function
- objective function
- image reconstruction
- constrained optimization
- penalty functions
- fourier domain
- random projections
- sparse representation
- orthogonal matching pursuit
- natural images
- signal processing
- fitness function
- genetic algorithm
- convex optimization
- optimization problems
- signal recovery
- compressive sampling
- optimal solution
- multiscale
- image processing
- fourier transform
- least squares
- sparse approximation
- pattern recognition