Spatiotemporal PET Reconstruction Using ML-EM with Learned Diffeomorphic Deformation.
Ozan ÖktemCamille PoucholOlivier VerdierPublished in: MLMIR@MICCAI (2019)
Keyphrases
- maximum likelihood
- image reconstruction
- image registration
- positron emission tomography
- deformation field
- free form deformation
- em algorithm
- expectation maximization
- deformable registration
- diffeomorphic registration
- velocity field
- reconstruction process
- deformable surface
- three dimensional
- spatial and temporal
- displacement field
- image matching
- reconstruction method
- poisson noise
- mixture model
- respiratory motion
- magnetic resonance
- surface registration
- nonrigid registration
- generative model
- image reconstruction algorithms
- rigid registration
- vector field
- image processing
- b spline
- space time
- mutual information
- high resolution
- image analysis
- moving objects
- video sequences
- image segmentation