Bilateral signal variance estimation for wavelet-domain image denoising.
Jinglun ShiZhenyu LiuJing TianPublished in: Sci. China Inf. Sci. (2013)
Keyphrases
- sparse and redundant representations
- image denoising
- wavelet domain
- denoising
- hard thresholding
- wavelet coefficients
- wavelet thresholding
- noisy images
- denoising methods
- total variation
- natural images
- discrete wavelet transform
- frequency domain
- shift invariant
- high frequency
- wavelet domain hidden markov tree
- image processing
- wavelet decomposition
- wavelet packet
- denoising algorithm
- multiresolution
- low frequency
- sar images
- additive noise
- wavelet packet transform
- wavelet denoising
- spatial domain
- signal processing
- subband
- wiener filter
- wavelet transform
- watermarking algorithm
- nonlinear diffusion
- bit rate
- wavelet shrinkage
- image quality
- image compression