Sparse representation with enhanced nonlocal self-similarity for image denoising.
Tao ZhouChen LiXuan ZengYuhang ZhaoPublished in: Mach. Vis. Appl. (2021)
Keyphrases
- image denoising
- sparse representation
- natural images
- sparse coding
- denoising
- dictionary learning
- noisy images
- total variation
- image patches
- nonlocal means
- face recognition
- wavelet domain
- image classification
- image processing
- multiscale
- denoising algorithm
- compressive sensing
- object recognition
- higher order
- signal processing
- dimensionality reduction
- wavelet coefficients
- image representation
- image inpainting
- test images
- high dimensional data
- input image
- denoising methods
- piecewise smooth
- multiresolution
- image features
- feature extraction
- machine learning
- sparse learning