A sparse representation and dictionary learning based algorithm for image restoration in the presence of Rician noise.
Wensheng ChenJie YouBo ChenBinbin PanLihong LiMarc J. PomeroyZhengrong LiangPublished in: Neurocomputing (2018)
Keyphrases
- sparse representation
- dictionary learning
- image restoration
- sparse coding
- face recognition
- regularized least squares
- gaussian noise
- sparsity constraints
- expectation maximization
- sparse codes
- compressive sensing
- edge preserving
- regularization parameter
- test images
- markov random field
- total variation
- linear combination
- image classification
- signal processing