String-Averaging Expectation-Maximization for Maximum Likelihood Estimation in Emission Tomography.
Elias Salomão Helou NetoYair CensorT.-B. ChenI.-L. ChernAlvaro R. De PierroMing JiangH. H.-S. LuPublished in: CoRR (2014)
Keyphrases
- maximum likelihood estimation
- emission tomography
- expectation maximization
- em algorithm
- image reconstruction
- maximum likelihood
- edge preserving
- inverse problems
- probabilistic model
- parameter estimation
- block iterative
- mixture of gaussians
- unsupervised learning
- mixture model
- gaussian mixture model
- probability density function
- maximum a posteriori
- image segmentation
- gaussian mixture
- optical imaging
- generative model
- bayesian framework
- noise reduction
- super resolution
- k means
- high resolution
- image processing