Image denoising via bivariate shrinkage function based on a new structure of dual contourlet transform.
Min DongJiuwen ZhangYide MaPublished in: Signal Process. (2015)
Keyphrases
- image denoising
- contourlet transform
- denoising
- natural images
- directional filter banks
- noisy images
- total variation
- partial differential equations
- wavelet domain
- image processing
- wavelet coefficients
- high quality
- translation invariant
- image classification
- visual quality
- high frequency
- frequency domain
- low frequency
- anisotropic diffusion
- image compression
- multiresolution