PET Reconstruction With an Anatomical MRI Prior Using Parallel Level Sets.
Matthias J. EhrhardtPawel MarkiewiczMaria LiljerothAnna BarnesVille KolehmainenJohn S. DuncanLuis PizarroDavid AtkinsonBrian F. HuttonSébastien OurselinKris ThielemansSimon R. ArridgePublished in: IEEE Trans. Medical Imaging (2016)
Keyphrases
- level set
- positron emission tomography
- magnetic resonance imaging
- medical images
- image reconstruction
- three dimensional
- imaging modalities
- level set method
- active contours
- mri data
- curve evolution
- connected components
- shape prior
- magnetic resonance
- medical imaging
- partial differential equations
- high resolution
- shape constraints
- image segmentation
- anatomical structures
- magnetic resonance images
- energy functional
- level lines
- geodesic active contours
- brain atlas
- distance maps
- deformable models
- mr images
- variational methods
- level set evolution
- level set framework
- medical image analysis
- prior knowledge
- piecewise constant
- medical image segmentation
- brain imaging
- energy function
- computed tomography
- ct images
- distance map
- inter subject
- segmentation algorithm
- graph cuts
- organ segmentation