Fractional Anisotropy and Max Eigen vector from DTI
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Hello, I'm performing simulation on head models reconstructed from MRI scans and I integrate the white matter anisotropy obtained from DTI as shown in the jupiter notebook tutorial. I'm interested in extracting electric field in small boxes, is there a way to extract also FA and eigen vector in just those boxes?
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This question is quite old. Maybe you found a solution?
Otherwise I guess you could use one of these options:
- you can crop the field, e.g. via the bounding box (or the extent if you have an E-field on a rectilinear grid)
- you could use the interpolation filter: define your little box grids, and interpolate from the field sensor field to your box grids
- you could define small field sensors in the simulation setup (not sure it is scalable to hundreds of sensors)
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