Sparse Overcomplete Denoising: Aggregation Versus Global Optimization.
Diego CarreraGiacomo BoracchiAlessandro FoiBrendt WohlbergPublished in: IEEE Signal Process. Lett. (2017)
Keyphrases
- global optimization
- denoising
- natural images
- sparse representation
- sparse coding
- basis pursuit
- image denoising
- noisy images
- total variation
- particle swarm optimization
- ant colony algorithm
- compressed sensing
- pso algorithm
- linear combination
- image processing
- global optima
- global solution
- face recognition
- inverse problems
- global search
- image completion
- constrained global optimization
- convex optimization
- basis functions
- multiscale