Keyphrases
- sparse and redundant representations
- image denoising
- wavelet domain
- denoising
- wavelet coefficients
- noisy images
- discrete wavelet transform
- total variation
- shift invariant
- natural images
- signal and image processing
- wavelet decomposition
- wavelet domain hidden markov tree
- image processing
- spatial domain
- sar images
- wavelet denoising
- wavelet transform
- denoising algorithm
- multiresolution
- pattern recognition
- contourlet transform
- shrinkage functions
- frequency domain
- edge detection
- signal processing
- high frequency
- feature vectors
- image classification
- soft thresholding
- image segmentation