Maximum-Likelihood Expectation-Maximization Reconstruction of Sinograms with Arbitrary Noise Distribution Using NEC-Transformations.
Johan NuytsChristian MichelPatrick DupontPublished in: IEEE Trans. Medical Imaging (2001)
Keyphrases
- expectation maximization
- image reconstruction
- maximum likelihood
- em algorithm
- maximum a posteriori
- gaussian distribution
- positron emission tomography
- probability density function
- gaussian mixture model
- mixture model
- reconstruction process
- emission tomography
- maximum likelihood estimation
- super resolution
- likelihood function
- tomographic reconstruction
- radon transform
- log likelihood function
- computed tomography
- probabilistic model
- high resolution
- image processing
- maximum likelihood estimator
- k means
- three dimensional
- image sequences
- brain imaging
- image segmentation
- computer vision