PET transmission tomography using a novel nonlocal MRF prior.
Yang ChenLiwei HaoXianghua YeWufan ChenLimin LuoXindao YinPublished in: Comput. Medical Imaging Graph. (2009)
Keyphrases
- prior model
- markov random field
- maximum a posteriori
- image reconstruction
- prior information
- image restoration
- higher order
- energy function
- belief propagation
- graph cuts
- image segmentation
- energy minimization
- prior knowledge
- potential functions
- conditional random fields
- high order
- mrf model
- image denoising
- parameter estimation
- denoising
- posterior distribution
- medical images
- map estimation
- motion estimation
- imaging modalities
- multiresolution