A method for extracting multi-organ from four-phase contrasted CT images based on CT value distribution estimation using EM-algorithm.
Makiko SakashitaTakayuki KitasakaKensaku MoriYasuhito SuenagaShigeru NawanoPublished in: Medical Imaging: Computer-Aided Diagnosis (2007)
Keyphrases
- em algorithm
- ct images
- maximum likelihood estimation
- parameter estimation
- medical images
- maximum likelihood
- gaussian mixture model
- computed tomography
- expectation maximization
- mixture model
- region of interest
- ct imaging
- pet ct
- density estimation
- gaussian mixture
- ct scans
- computer tomography
- model selection
- three dimensional
- density function
- probability density function
- anatomical structures
- mr images
- lung nodules
- pulmonary nodules
- maximum likelihood estimates