Minimization Based Group Sparse Representation Framework for Image Denoising.
Qiong WangXinggan ZhangYu WuLan TangZhiyuan ZhaPublished in: IEEE Signal Process. Lett. (2017)
Keyphrases
- image denoising
- sparse representation
- denoising
- norm minimization
- natural images
- total variation
- partial differential equations
- noisy images
- dictionary learning
- wavelet coefficients
- face recognition
- sparse coding
- convex optimization
- image classification
- image processing
- probabilistic model
- compressive sensing
- machine learning
- regularization term
- sparse learning
- noise level
- spatial domain
- image patches
- super resolution
- signal processing
- multiscale