Bias Reduction for Low-Statistics PET: Maximum Likelihood Reconstruction With a Modified Poisson Distribution.
Katrien Van SlambrouckSimon StuteClaude ComtatMerence SibomanaFloris H. P. van VeldenRonald BoellaardJohan NuytsPublished in: IEEE Trans. Medical Imaging (2015)
Keyphrases
- maximum likelihood
- poisson distribution
- gaussian distribution
- image reconstruction
- positron emission tomography
- em algorithm
- mixture model
- parameter estimation
- high resolution
- poisson noise
- gaussian mixture model
- continuous time markov chains
- low variance
- reconstruction process
- super resolution
- magnetic resonance imaging
- maximum a posteriori
- generative model
- medical images