Translation-Invariant Shrinkage/Thresholding of Group Sparse Signals
Po-Yu ChenIvan W. SelesnickPublished in: CoRR (2013)
Keyphrases
- translation invariant
- denoising
- wavelet shrinkage
- image denoising
- wavelet denoising
- wavelet domain
- image processing
- wavelet transform
- signal processing
- shrinkage functions
- mathematical morphology
- natural images
- multiscale
- frequency domain
- wavelet packet
- shift invariant
- morphological operators
- object identification
- high dimensional
- pattern recognition
- image segmentation
- discrete wavelet transform
- nonlinear diffusion
- bit rate
- sparse coding
- noise removal
- image analysis
- texture features
- image reconstruction
- similarity measure