Group Sparsity Residual with Non-Local Samples for Image Denoising.
Zhiyuan ZhaXinggan ZhangQiong WangYechao BaiLan TangXin YuanPublished in: CoRR (2018)
Keyphrases
- image denoising
- group sparsity
- sparse coding
- natural images
- structured sparsity
- denoising
- total variation
- noisy images
- low rank
- partial differential equations
- wavelet coefficients
- image processing
- convex optimization
- higher order
- compressive sensing
- image patches
- augmented lagrangian
- regularization methods
- input image
- sparse representation
- statistical learning
- multiscale
- singular value decomposition
- edge detection