You need to use the gradients extracted from the data by FSL (or freesurfer).
Ruopeng
On May 23, 2019, at 5:02 PM, Alan Francis alandarkenergy@gmail.com wrote:
External Email - Use CautionHi Ruopeng -
I used Diffusion Toolkit to recon DTI data that was preprocessed using FSL. This data is from 7T scanners. I used an Angle threshold of 50. I tried various gradients from 6 - 120, but the images I am getting on trackvis are weird. I have attached a screenshot.
Can you please shed some light on this?
Thank you,
Alan
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Alan N. Francis PhD Instructor in Psychiatry Harvard Medical School
Louis V. Gerstner III scholar Martinos Center for Biomedical Imaging Massachusetts General Hospital 149, 13th street, Charlestown, MA alanf@bwh.harvard.edu mailto:ezra_wegbreit@brown.edu afrancis@mclean.harvard.edu mailto:afrancis@mclean.harvard.edu
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