Spatiotemporal PET reconstruction using ML-EM with learned diffeomorphic deformation.
Ozan ÖktemCamille PoucholOlivier VerdierPublished in: CoRR (2019)
Keyphrases
- maximum likelihood
- image reconstruction
- image registration
- positron emission tomography
- free form deformation
- em algorithm
- deformation field
- expectation maximization
- diffeomorphic registration
- deformable registration
- velocity field
- deformable surface
- reconstruction process
- probabilistic model
- reconstruction method
- magnetic resonance
- anatomical structures
- generative model
- spatial and temporal
- displacement field
- respiratory motion
- moving objects
- image reconstruction algorithms
- three dimensional
- tensor based morphometry
- image matching
- super resolution
- mutual information
- vector field
- high resolution
- registration process
- space time
- brain imaging
- poisson noise
- demons algorithm
- image processing
- image intensity
- video sequences
- diffusion tensor images
- medical imaging
- b spline
- imaging modalities