Wavelet Frame-Based Image Restoration via $\ell _2$-Relaxed Truncated $\ell _0$ Regularization and Nonlocal Estimation.
Liangtian HeYilun WangJin-Jin MeiJun LiuChao WangPublished in: IEEE Signal Process. Lett. (2021)
Keyphrases
- image restoration
- regularization parameter
- regularization term
- total variation
- regularization method
- iterative image restoration
- generalized cross validation
- image deconvolution
- total least squares
- blind image restoration
- sparse representation
- blur identification
- wiener filter
- edge preserving
- blind image deconvolution
- tikhonov regularization
- super resolution
- denoising
- image processing
- image deblurring
- regularization methods
- markov random field
- gauss markov
- image restoration problems
- noise variance
- gaussian noise
- multiscale
- degraded images
- multiresolution
- modified hopfield neural network
- motion blur
- convex optimization
- point spread function
- blurred images
- wavelet coefficients
- image prior
- restoration algorithm
- alternating minimization
- restoration method
- half quadratic
- mumford shah
- restored image
- energy functional
- color image restoration
- energy function
- wavelet transform
- pairwise
- high quality