Dear Henrik Could you please gives us an example with a specific subject id in order to better understand the problem?
There is no transformation applied to the data and what you describe suggests that the signal is high when bvecs match the principal direction of a region, which is definitely not the case. Are you sure that your X, Y, Z conventions in your visualisation package are the same as the HCP data? Best Stam On 2 Jan 2014, at 08:37, Henrik G. Jensen <[email protected]<mailto:[email protected]>> wrote: Dear HCP, I recently started working on the dMRI data sets of the Q2 release. Simple principal visualizations of the b-vecs seems to indicate that the data is already funk-radon (or something similar) transformed - is this correct? Put in another way: visualization on the raw data gives me the correct diffusion directions in e.g. the Corpus Callosum, which was rather unexpected. Thank you, Henrik /University of Copenhagen _______________________________________________ HCP-Users mailing list [email protected]<mailto:[email protected]> http://lists.humanconnectome.org/mailman/listinfo/hcp-users _______________________________________________ HCP-Users mailing list [email protected] http://lists.humanconnectome.org/mailman/listinfo/hcp-users
