Direct 4-D PET List Mode Parametric Reconstruction With a Novel EM Algorithm.
Jianhua YanBeata Planeta-WilsonRichard E. CarsonPublished in: IEEE Trans. Medical Imaging (2012)
Keyphrases
- em algorithm
- expectation maximization
- image reconstruction
- positron emission tomography
- mixture model
- maximum likelihood
- gaussian mixture model
- parameter estimation
- maximum likelihood estimation
- incomplete data
- expectation maximisation
- log likelihood
- likelihood function
- generative model
- gaussian mixture
- maximum a posteriori
- penalized likelihood
- magnetic resonance imaging
- density estimation
- high resolution
- finite mixture model
- mixture modeling
- probability density function
- hidden variables
- maximum likelihood estimates
- mixture distribution
- log likelihood function
- finite mixture models
- probabilistic model