An unrolled half-quadratic approach for sparse signal recovery in spectroscopy.
Mouna GharbiEmilie ChouzenouxJean-Christophe PesquetPublished in: Signal Process. (2024)
Keyphrases
- signal recovery
- half quadratic
- edge preserving
- image recovery
- total variation
- compressive sensing
- anisotropic diffusion
- compressed sensing
- orthogonal matching pursuit
- dictionary learning
- image restoration
- multiscale
- feature vectors
- edge detection
- noisy images
- convex optimization
- primal dual
- noise model
- multiresolution