Correlation Preserving Sparse Coding Over Multi-level Dictionaries for Image Denoising.
Rui ChenHuizhu JiaXiaodong XieWen GaoPublished in: CoRR (2016)
Keyphrases
- image denoising
- sparse coding
- natural images
- sparse representation
- sparse codes
- single image super resolution
- dictionary learning
- image patches
- denoising
- noisy images
- discriminative dictionary
- higher order
- total variation
- multiscale
- object recognition
- input image
- wavelet domain
- shift invariant
- image classification
- image representation
- image prior
- linear combination
- face recognition
- denoising algorithm
- feature space
- wavelet coefficients
- image processing
- augmented lagrangian
- generative model
- low resolution
- image quality
- image data
- image segmentation