Joint Estimation of Activity and Attenuation in Whole-Body TOF PET/MRI Using Constrained Gaussian Mixture Models.
Abolfazl MehranianHabib ZaidiPublished in: IEEE Trans. Medical Imaging (2015)
Keyphrases
- gaussian mixture model
- joint estimation
- magnetic resonance imaging
- mixture model
- high resolution
- positron emission tomography
- speaker recognition
- em algorithm
- maximum likelihood
- gaussian mixture
- infrared
- time of flight
- feature vectors
- expectation maximization
- image reconstruction
- density estimation
- medical images
- covariance matrices
- probability density function
- gaussian distribution
- magnetic resonance images
- probability density
- speaker identification
- variational bayes
- feature space
- medical imaging
- mri images
- brain activity
- imaging modalities
- distance measure
- computer vision
- pet images
- finite mixtures