Group-Sparse Signal Denoising: Non-Convex Regularization, Convex Optimization.
Po-Yu ChenIvan W. SelesnickPublished in: IEEE Trans. Signal Process. (2014)
Keyphrases
- convex optimization
- basis pursuit
- total variation
- denoising
- inverse problems
- norm regularization
- convex formulation
- convex relaxation
- interior point methods
- convex optimization problems
- norm minimization
- low rank
- regularization term
- convex programming
- regularization methods
- augmented lagrangian
- alternating direction method of multipliers
- image denoising
- total variation regularization
- blind deconvolution
- primal dual
- minimization problems
- image restoration
- convex constraints
- denoising methods
- augmented lagrangian method
- image processing
- convex sets
- low rank matrix
- compressive sensing
- natural images
- trace norm
- nuclear norm
- risk minimization
- signal processing
- signal recovery
- high resolution