Non-Convex Weighted Lp Minimization based Group Sparse Representation Framework for Image Denoising.
Qiong WangXinggan ZhangYu WuYechao BaiLan TangZhiyuan ZhaPublished in: CoRR (2017)
Keyphrases
- image denoising
- sparse representation
- denoising
- norm minimization
- convex optimization
- sparse coding
- natural images
- total variation
- dictionary learning
- noisy images
- image processing
- linear program
- minimization problems
- image patches
- wavelet coefficients
- linear programming
- face recognition
- compressive sensing
- computer vision
- signal processing
- object recognition
- objective function