Preconditioned conjugate gradient without linesearch: a comparison with the half-quadratic approach for edge-preserving image restoration.
Christian LabatJérôme IdierPublished in: Computational Imaging (2006)
Keyphrases
- edge preserving
- image restoration
- half quadratic
- edge preserving regularization
- total variation
- markov random field
- noise reduction
- image processing
- globally convergent
- image deblurring
- super resolution
- anisotropic diffusion
- regularization parameter
- blurred images
- image deconvolution
- signal to noise ratio
- edge preservation
- noise removal
- restored image
- edge detection
- higher order
- feature space