A nonsubsampled countourlet transform based CNN for real image denoising.
Zhiyu LyuChengkun ZhangMin HanPublished in: Signal Process. Image Commun. (2020)
Keyphrases
- image denoising
- denoising
- directional filter banks
- noisy images
- natural images
- total variation
- image processing
- partial differential equations
- contourlet transform
- wavelet domain
- bilateral filtering
- augmented lagrangian
- denoising algorithm
- wavelet coefficients
- wavelet domain hidden markov tree
- additive gaussian noise
- nonlinear diffusion
- image deblurring
- multiscale
- higher order
- nonlocal means
- frequency domain
- image inpainting
- image data
- probabilistic model
- wavelet denoising
- undecimated wavelet transform
- image segmentation