4D DTI analysis via longitudinal modeling of tract diffusivities
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Key Investigators
Anuja Sharma, Bo Wang, Andrei Irimia, Micah Chambers, Jack Van Horn, Marcel Prastawa, Guido Gerig
Project Description
Objective
- Preliminary longitudinal evaluation of white matter diffusion changes along specific tracts in TBI subjects.
- Collaborate with the UCLA team to evaluate results and discuss improvements.
Approach, Plan
- Patient specific co-registration of acute and chronic DTI images.
- ROI based white matter tract extraction
- Assembling diffusion properties along tract in a space normalized fashion via a consistent mapping of tract geometry across timepoints.
- Modeling of diffusion changes along time by utilizing the complete cross-sectional distribution of diffusion values along tract.