A new generalized thresholding algorithm for inverse problems with sparsity constraints.
Sergey VoroninRick ChartrandPublished in: ICASSP (2013)
Keyphrases
- inverse problems
- thresholding algorithm
- sparsity constraints
- image reconstruction
- global optimization
- convex optimization
- low rank
- optimization problems
- optimization methods
- dictionary learning
- negative matrix factorization
- sparse representation
- sparse coding
- early vision
- nonnegative matrix factorization
- partial differential equations
- evolutionary algorithm
- global constraints
- smoothness constraint
- image segmentation
- multiscale
- matrix factorization
- image processing
- shape from shading
- particle swarm optimization