They didn't use in-plane GRAPPA but they used a multi-band variant on GRAPPA. Setsompop 2012 is called Slice-GRAPPA. I am asking about the details of the multiband reconstruction.
Thanks, Ben On Mon, May 9, 2016 at 10:51 PM, Glasser, Matthew <[email protected]> wrote: > fMRI didn’t use GRAPPA, rather it was an update to the multi-band > reconstruction. > > Peace, > > Matt. > > From: <[email protected]> on behalf of Benjamin Risk < > [email protected]> > Date: Monday, May 9, 2016 at 12:55 PM > To: "[email protected]" <[email protected]> > Subject: [HCP-Users] Clarification in change in fMRI reconstruction > algorithm > > Dear HCP experts, > > I have two questions: > > 1) I understand that the reconstruction algorithm for fMRI changed with > the Q3 data release. I believe there are three main GRAPPA reconstruction > approaches for multiband imaging: SENSE/GRAPPA from Blaimer et al (2006); > Slice-GRAPPA from Setsompop et al (2012); and Split-Slice-GRAPPA from > Cauley et al (2014). Do the HCP reconstruction algorithms correspond to > these methods? From my reading of Ugurbil et al 2013, p. 89, I thought the > change was from SENSE/GRAPPA to Slice-GRAPPA, but I now see that the > overview document > http://www.cmrr.umn.edu/multiband/Multi-Band_C2P_Instructions_R013a.pdf > includes a citation to Cauley. > > 2) I ultimately want to simulate data generated by coil sensitivities > similar to the HCP scanners and head coils. Are single-band calibration > data for each coil available? > > > Thank you, > Ben Risk > Postdoc at SAMSI / Department of Biostatistics UNC Chapel Hill > > _______________________________________________ > 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
