From two-dimensional nonlinear diffusion to coupled Haar wavelet shrinkage.
Pavel MrázekJoachim WeickertPublished in: J. Vis. Commun. Image Represent. (2007)
Keyphrases
- nonlinear diffusion
- wavelet shrinkage
- translation invariant
- shift invariant
- denoising
- image denoising
- scale spaces
- anisotropic diffusion
- wavelet coefficients
- partial differential equations
- vector valued
- edge preserving
- scale space
- natural images
- wavelet transform
- noise reduction
- wavelet decomposition
- noisy images
- rotation invariant
- discrete wavelet transform
- wavelet domain
- image processing
- shrinkage functions
- sparse coding
- edge detection
- speckle noise
- denoising algorithm
- object identification
- noise suppression
- multiscale
- diffusion equation
- noise removal
- signal to noise ratio
- image restoration