On decomposition-based block preconditioned iterative methods for half-quadratic image restoration.
Yu-Mei HuangDe-Yong LuPublished in: J. Comput. Appl. Math. (2013)
Keyphrases
- iterative methods
- image restoration
- half quadratic
- edge preserving
- total variation
- edge preserving regularization
- image deconvolution
- image processing
- markov random field
- constrained optimization
- shift variant
- regularization methods
- computationally expensive
- regularization parameter
- convex optimization
- iterative algorithms
- image recovery
- super resolution
- regularization method
- blind deconvolution
- point spread function
- gaussian noise
- blurred images
- motion blur
- restored image
- edge preservation
- regularization term