Shearlet-Based Adaptive Shrinkage Threshold for Image Denoising.
Xi ChenChengzhi DengShengqian WangPublished in: ICEE (2010)
Keyphrases
- image denoising
- total variation
- denoising
- wavelet shrinkage
- natural images
- translation invariant
- noisy images
- soft thresholding
- image processing
- noise suppression
- partial differential equations
- spatially adaptive
- wavelet domain
- image deblurring
- convex optimization
- bilateral filtering
- shrinkage functions
- total variation regularization
- nonlocal means
- additive gaussian noise
- wavelet coefficients
- wavelet domain hidden markov tree
- hard thresholding
- rudin osher fatemi
- augmented lagrangian
- denoising methods
- denoising algorithm
- fidelity term
- undecimated wavelet transform
- wavelet packet
- input image
- wavelet transform
- computational complexity
- feature extraction