Dictionary Preconditioning for Greedy Algorithms.
Karin SchnassPierre VandergheynstPublished in: IEEE Trans. Signal Process. (2008)
Keyphrases
- greedy algorithms
- greedy algorithm
- sparse representation
- edge preserving
- knapsack problem
- search algorithm
- conjugate gradient
- primal dual
- dynamic programming
- iterative methods
- data sets
- bundle adjustment
- narrative generation
- optical flow computation
- inverse problems
- image reconstruction
- natural images
- least squares
- objective function