Group Sparsity Residual with Non-Local Samples for Image Denoising.
Zhiyuan ZhaXinggan ZhangQiong WangYechao BaiLan TangXin YuanPublished in: ICASSP (2018)
Keyphrases
- image denoising
- group sparsity
- sparse coding
- natural images
- structured sparsity
- denoising
- noisy images
- low rank
- total variation
- partial differential equations
- image processing
- sparse representation
- wavelet coefficients
- compressive sensing
- training set
- image patches
- augmented lagrangian
- input image
- object recognition
- statistical learning
- multiscale
- feature selection
- singular value decomposition
- generative model
- high dimensional