Brain MR Image Segmentation and Bias Field Correction through Class-K HMRF Model and EM Algorithm.
Zexuan JiQuan-Sen SunPublished in: CCPR (2012)
Keyphrases
- em algorithm
- expectation maximization
- parameter estimation
- mixture model
- maximum likelihood estimation
- probability density function
- probabilistic model
- gaussian mixture
- gaussian mixture model
- generative model
- mr images
- maximum likelihood
- map estimation
- hidden variables
- bias field
- objective function
- expectation maximisation
- image intensity
- hyperparameters
- bayesian framework
- maximum a posteriori
- statistical model
- image registration
- prior knowledge