Noise removal using a novel non-negative sparse coding shrinkage technique.
Li ShangDeshuang HuangChunhou ZhengZhan-Li SunPublished in: Neurocomputing (2006)
Keyphrases
- noise removal
- denoising
- denoising methods
- image denoising
- wavelet shrinkage
- fourth order
- total variation
- gaussian noise
- image processing
- noise suppression
- noisy images
- denoising algorithm
- noise reduction
- wavelet domain
- image details
- diffusion filtering
- natural images
- diffusion equation
- anisotropic diffusion
- image enhancement
- bilateral filter
- wavelet packet
- edge preservation
- edge detection
- partial differential equations
- signal dependent
- machine learning
- signal to noise ratio
- pattern recognition
- pairwise
- color image processing
- image deconvolution
- multiresolution
- nl means
- sparse coding
- impulsive noise removal