Image denoising via K-SVD with primal-dual active set algorithm.
Quan XiaoCanhong WenZirui YanPublished in: WACV (2020)
Keyphrases
- primal dual
- active set
- image denoising
- linear programming
- interior point
- convergence rate
- denoising
- np hard
- dictionary learning
- semidefinite programming
- dynamic programming
- worst case
- computational complexity
- natural images
- optimal solution
- convex optimization
- efficient implementation
- objective function
- probabilistic model
- computer vision
- knapsack problem
- convex hull
- total variation
- linear program
- expectation maximization
- wavelet transform
- feature vectors
- augmented lagrangian
- total variation regularization