Simulation evaluation of Gibbs prior distributions for use in maximum a posteriori SPECT reconstructions.
David S. LalushBenjamin M. W. TsuiPublished in: IEEE Trans. Medical Imaging (1992)
Keyphrases
- maximum a posteriori
- image reconstruction
- markov random field
- map estimation
- maximum likelihood
- bayesian framework
- hyperparameters
- posterior distribution
- edge preserving
- reconstructed image
- prior model
- em algorithm
- energy function
- prior distribution
- high quality
- super resolution
- mrf model
- expectation maximization
- image super resolution
- image registration
- generalized gaussian
- image prior
- graph cuts
- multi view
- label field
- belief propagation
- spatial resolution
- parameter estimation
- higher order
- dynamic programming
- pairwise