Image Denoising by Deep Convolution Based on Sparse Representation.
Shengqin BianXinyu HeZhengguang XuLixin ZhangPublished in: Comput. (2023)
Keyphrases
- image denoising
- sparse representation
- image processing
- denoising
- natural images
- dictionary learning
- sparse coding
- total variation
- noisy images
- partial differential equations
- signal processing
- face recognition
- compressive sensing
- image classification
- image patches
- wavelet coefficients
- high dimensional data
- wavelet domain
- multiscale
- piecewise smooth
- image representation
- dimensionality reduction
- test images
- computer vision
- image quality
- input data
- diffusion equation
- multiresolution