Analytical Realization of the EM Algorithm for Emission Positron Tomography.
Robert CierniakPiotr DoboszPiotr PlutaZbigniew FilutowiczPublished in: ICAISC (2) (2018)
Keyphrases
- em algorithm
- expectation maximization
- maximum likelihood
- mixture model
- parameter estimation
- gaussian mixture model
- image reconstruction
- gaussian mixture
- maximum likelihood estimation
- generative model
- likelihood function
- expectation maximisation
- log likelihood
- likelihood maximization
- hidden variables
- density estimation
- incomplete data
- mixture modeling
- maximum a posteriori
- image segmentation
- finite mixtures
- computer vision
- matrix factorisation
- finite mixture model
- probability density function
- unsupervised learning
- least squares