Fast image reconstruction algorithms combining half-quadratic regularization and preconditioning.
Mila NikolovaMichael K. NgPublished in: ICIP (1) (2001)
Keyphrases
- half quadratic
- edge preserving
- image reconstruction algorithms
- image reconstruction
- image restoration
- image recovery
- primal dual
- noise reduction
- anisotropic diffusion
- least squares
- maximum a posteriori
- total variation
- edge preservation
- inverse problems
- positron emission tomography
- super resolution
- image analysis
- regularization parameter
- image deconvolution
- compressive sensing
- noise model
- linear programming
- multiresolution