Bayesian Reconstruction Using a New Nonlocal MRF Prior for Count-Limited PET Transmission Scans.
Yang ChenWufan ChenPengcheng ShiYanqiu FengQianjin FengQingqi WangZhiyong HuangPublished in: ICIAR (2007)
Keyphrases
- prior model
- image reconstruction
- maximum a posteriori
- markov random field
- image prior
- posterior distribution
- image restoration
- poisson noise
- positron emission tomography
- reconstructed image
- prior distribution
- three dimensional
- energy function
- graph cuts
- probability distribution
- maximum likelihood
- bayesian methods
- bayesian estimation
- reconstruction method
- imaging modalities
- prior information
- sparsely sampled
- prior knowledge
- image reconstruction algorithms
- latent variables
- reconstruction process
- random fields
- bayesian inference
- image denoising
- discrete tomography
- denoising
- pairwise
- prior probabilities
- bayesian model
- maximum entropy
- mrf model
- map estimation
- potential functions
- image processing
- super resolution
- image quality
- image compression
- graphical models
- higher order
- image segmentation