Wavelet Image Denoising Based on Improved Thresholding Neural Network and Cycle Spinning.
Sayed Mohammad Ebrahim SahraeianFarrokh MarvastiNasser SadatiPublished in: ICASSP (1) (2007)
Keyphrases
- image denoising
- denoising
- wavelet thresholding
- wavelet denoising
- wavelet coefficients
- noisy images
- natural images
- denoising algorithm
- wavelet domain
- total variation
- wavelet transform
- soft thresholding
- image processing
- denoising methods
- wavelet shrinkage
- partial differential equations
- translation invariant
- wavelet packet transform
- gaussian noise
- image deblurring
- wavelet domain hidden markov tree
- contourlet transform
- spatially adaptive
- bilateral filtering
- frequency domain
- multiresolution
- multiscale
- wavelet packet
- discrete wavelet transform
- nonlinear diffusion
- noise level
- total variation regularization
- wavelet decomposition
- augmented lagrangian
- subband
- gray level
- singularity detection