A shape constrained MAP-EM algorithm for colorectal segmentation.
Huafeng WangLihong LiBowen SongFangfang HanZhengrong LiangPublished in: Medical Imaging: Computer-Aided Diagnosis (2013)
Keyphrases
- em algorithm
- maximum a posteriori
- expectation maximization
- expectation maximisation
- shape prior
- probabilistic principal component analysis
- map estimation
- maximum likelihood
- mixture model
- maximum likelihood estimation
- parameter estimation
- image segmentation
- shape model
- generative model
- energy function
- bayesian framework
- gaussian mixture model
- markov random field
- level set
- incomplete data
- gaussian mixture
- segmentation algorithm
- prior information
- log likelihood
- hidden variables
- statistical shape model
- medical images
- likelihood function
- probabilistic model
- penalized likelihood
- mixture modeling
- pairwise
- segmentation method
- graph cuts
- density estimation
- probability density function
- unsupervised learning
- high dimensional
- generalized em algorithm