Image denoising via group sparsity residual constraint.
Zhiyuan ZhaXin LiuZiheng ZhouXiaohua HuangJingang ShiZhenhong ShangLan TangYechao BaiQiong WangXinggan ZhangPublished in: CoRR (2016)
Keyphrases
- image denoising
- group sparsity
- natural images
- sparse coding
- denoising
- structured sparsity
- noisy images
- total variation
- low rank
- image processing
- partial differential equations
- wavelet coefficients
- multiscale
- higher order
- input image
- convex optimization
- noise level
- missing data
- object recognition
- image patches
- sparse representation
- statistical learning
- nonlinear diffusion
- computer vision