New bounds on image denoising: Viewpoint of sparse representation and non-local averaging.
Jianzhou FengLi SongXiaoming HuoXiaokang YangWenjun ZhangPublished in: VCIP (2012)
Keyphrases
- image denoising
- sparse representation
- denoising
- dictionary learning
- sparse coding
- natural images
- noisy images
- total variation
- partial differential equations
- image processing
- face recognition
- signal processing
- image classification
- wavelet domain
- image patches
- high dimensional data
- image representation
- wavelet coefficients
- dimensionality reduction
- compressive sensing
- test images
- sparse learning
- multiresolution
- image segmentation
- computer vision
- data sets