Modeling anisotropic undersampling of magnetic resonance angiographies and reconstruction of a high-resolution isotropic volume using half-quadratic regularization techniques.
Elodie RoullotAlain HermentIsabelle BlochAlain De CesareMila NikolovaÉlie MousseauxPublished in: Signal Process. (2004)
Keyphrases
- magnetic resonance
- half quadratic
- high resolution
- anisotropic diffusion
- mr images
- image slices
- medical images
- image volumes
- image recovery
- edge preserving
- low resolution
- magnetic resonance images
- image registration
- image data
- super resolution
- total variation
- positron emission tomography
- image restoration
- image processing
- image deconvolution
- high quality
- noise removal
- computer tomography
- compressive sensing
- mumford shah functional
- image reconstruction
- partial differential equations
- markov random field
- computer vision
- edge preservation
- nonlinear diffusion
- noise model
- diffusion process