Hi Philip, I don't know the python/matlab implementation specifics, but the CIFTI page may be helpful:
http://www.nitrc.org/projects/cifti/ The format specification (http://www.nitrc.org/forum/attachment.php?attachid=341&group_id=454&forum_id=1955) may help. Donna On May 29, 2015, at 10:33 AM, "Glasser, Matthew" <[email protected]> wrote: > Here is a page that should be helpful to getting started: > > https://wiki.humanconnectome.org/display/PublicData/HCP+Users+FAQ > > Peace, > > Matt. > > From: Philip Henningsen <[email protected]> > Date: Friday, May 29, 2015 at 7:29 AM > To: "[email protected] Users" <[email protected]> > Subject: [HCP-Users] Help understanding *_Atlas.dtseries.nii > > HI HCP experts > > I'm trying to understand how the *_Atlas.dtseries.nii files are structured > exactly. As I understand it, they are the fMRI images mapped to coordinates > in the brain, but I'm having trouble understanding exactly how to use them. I > haven't been successful in finding more detailed information about it on the > HCP website, but I might simply not know the correct place to look. If anyone > can point me in the correct direction, it would be much appreciated. > > Some context: > I'm attempting to classify the actions done in the MOTOR task using various > forms of neural networks. So far, I've tried using the sequences of fMRI data > (the 284x91x109x91 .nii files), but have not achieved better than random > classification accuracy. A colleague told me that the *_Atlas.dtseries.nii > files contained the fMRI data mapped to a 2D atlas, which would enable me to > do 2D convolution without losing information (as I would by e.g. collapsing > the 3D images to 2D by taking the mean of a direction). > > Thank you for the attention. > > Best regards > > Philip > _______________________________________________ > HCP-Users mailing list > [email protected] > http://lists.humanconnectome.org/mailman/listinfo/hcp-users > > > The materials in this message are private and may contain Protected > Healthcare Information or other information of a sensitive nature. If you are > not the intended recipient, be advised that any unauthorized use, disclosure, > copying or the taking of any action in reliance on the contents of this > information is strictly prohibited. If you have received this email in error, > please immediately notify the sender via telephone or return mail. > _______________________________________________ > HCP-Users mailing list > [email protected] > http://lists.humanconnectome.org/mailman/listinfo/hcp-users _______________________________________________ HCP-Users mailing list [email protected] http://lists.humanconnectome.org/mailman/listinfo/hcp-users
