Hello sir/madam, I am using a HCP preprocessed dMRI dataset to calculate fiber ODFs. Since my code works with single shell data only, I took the data in the b = 2000 s/mm^2 range (which in my understanding is okay since gradients in each shell are uniformly distributed).
The calculated ODFs are showing the fiber trends fairly well. However the ODFs are exhibiting many maximas which to me seems like the brain images are slightly mis-aligned. Looking through the manual, it seems registration has already been performed to mitigate motion artifacts and eddy current effects in these datasets. (I don't think it's a problem with the code as ODF construction using phantoms didn't have this effect, but it's possible). I'm wondering if anyone's encountered this problem? Any help would be much appreciated. Thanks for your time, Eric _______________________________________________ HCP-Users mailing list [email protected] http://lists.humanconnectome.org/mailman/listinfo/hcp-users
