Testable uniqueness conditions for empirical assessment of undersampling levels in total variation-regularized x-ray CT.
Jakob Sauer JørgensenChristian KruschelDirk A. LorenzPublished in: CoRR (2014)
Keyphrases
- total variation
- image restoration
- regularization methods
- denoising
- image denoising
- sufficient conditions
- half quadratic
- convex optimization
- minimization problems
- x ray
- augmented lagrangian
- regularization term
- total least squares
- total variation minimization
- image deblurring
- regularization method
- total variation regularization
- blind deconvolution
- image restoration problems
- image processing
- color image restoration
- dual formulation
- noisy images
- fidelity term
- natural images
- multiplicative noise removal
- edge preserving
- least squares
- mumford shah
- restored image
- inverse problems
- super resolution
- markov random field
- high quality