Improved Wavelet Denoising by Non-Convex Sparse Regularization Under Double Wavelet Domains.
Yongjun WuGuangjun GaoCan CuiPublished in: IEEE Access (2019)
Keyphrases
- wavelet denoising
- denoising
- wavelet domain
- wavelet shrinkage
- image denoising
- wiener filter
- inverse problems
- wavelet coefficients
- wavelet basis
- noisy images
- convex optimization
- wavelet analysis
- denoising methods
- multiscale
- wavelet transform
- global optimization
- denoising algorithm
- spatial domain
- image processing
- sparse representation
- spatially adaptive
- image segmentation
- regularization parameter
- signal to noise ratio
- nonlinear diffusion
- image restoration
- level set
- wavelet bases
- feature space