Weighted expectation maximization reconstruction algorithms for thermoacoustic tomography.
Jin ZhangMark A. AnastasioXiaochuan PanLihong V. WangPublished in: IEEE Trans. Medical Imaging (2005)
Keyphrases
- expectation maximization
- em algorithm
- maximum likelihood
- image reconstruction
- gaussian mixture model
- probabilistic model
- mixture model
- gaussian mixture
- generative model
- parameter estimation
- unsupervised learning
- model based clustering
- maximum likelihood estimation
- probability density function
- k means
- neural network
- probability distribution
- maximum a posteriori
- bayesian framework
- weighted graph
- feature selection
- computer vision
- learning algorithm