Group-Sparse Signal Denoising: Concave Regularization, Convex Optimization.
Po-Yu ChenIvan W. SelesnickPublished in: CoRR (2013)
Keyphrases
- basis pursuit
- convex optimization
- denoising
- total variation
- norm regularization
- image denoising
- inverse problems
- image processing
- interior point methods
- compressed sensing
- natural images
- regularization methods
- low rank
- minimization problems
- regularization term
- wavelet packet
- total variation regularization
- augmented lagrangian
- convex relaxation
- denoising methods
- blind deconvolution
- alternating direction method of multipliers
- objective function
- convex formulation
- low rank matrix
- convex optimization problems
- group lasso
- norm minimization
- signal processing
- input image
- semi supervised
- trace norm
- feature space
- primal dual
- compressive sensing
- computer vision