Pulsative Flow Segmentation in MRA Image Series by AR Modeling and EM Algorithm.
Ali GooyaHongen LiaoKiyoshi MatsumiyaKen MasamuneTakeyoshi DohiPublished in: MIAR (2006)
Keyphrases
- em algorithm
- expectation maximization
- segmentation method
- image segmentation
- segmentation algorithm
- gaussian mixture
- multiscale
- maximum likelihood
- expectation maximisation
- mixture model
- map estimation
- parameter estimation
- input image
- test images
- gaussian mixture model
- image features
- edge detection
- pixel level
- maximum likelihood estimation
- energy function
- probability density function
- region growing
- generative model
- prior information
- mixture distribution
- maximum likelihood estimates
- likelihood function
- incomplete data
- maximum a posteriori
- multiresolution
- level set
- medical images
- density estimation
- unsupervised learning
- segmentation result
- image segmentation algorithms
- probability distribution
- markov random field
- object recognition
- feature points
- particle filter
- probabilistic model
- graph cuts
- model selection