Image denoising via K-SVD with primal-dual active set algorithm.
Quan XiaoCanhong WenZirui YanPublished in: CoRR (2020)
Keyphrases
- primal dual
- active set
- image denoising
- linear programming
- interior point
- efficient implementation
- denoising
- natural images
- convex optimization
- total variation
- objective function
- linear program
- np hard
- dynamic programming
- augmented lagrangian
- image processing
- convergence rate
- simplex method
- nonnegative matrix factorization
- similarity measure
- optimal solution
- knapsack problem
- energy function
- worst case
- dictionary learning
- higher order
- computational complexity