The difference seems to be in DiffusionPreprocessing/scripts/basic_preproc.sh:37, it seems like multiplying by 1000 just gets undone, so it would make more sense to just keep things in seconds.
On Wed, Oct 22, 2014 at 9:58 AM, Micah Chambers <[email protected]> wrote: > I have 10.352 for Dwelltime and 140 for number of phase encoding samples, > which comes out to 0.00069. > > On Tue, Oct 21, 2014 at 5:53 PM, Glasser, Matthew <[email protected] > > wrote: > >> It looks like that pipeline takes the echo spacing in ms instead of the >> rest of HCP pipelines which take the value in seconds. What were the raw >> values you entered into the equation there? >> >> Peace, >> >> Matt. >> >> From: Micah Chambers <[email protected]> >> Date: Tuesday, October 21, 2014 at 7:46 PM >> To: "[email protected]" <[email protected]> >> Subject: [HCP-Users] EchoSpacing >> >> Hello, >> >> I have been looking at the >> Examples/Scripts/DiffusionPreprocessingBatch.sh script and the EchoSpacing >> example is 0.78, however when I actually do the math it comes out to >> 0.0078. I'm assuming this has something to do with the disclaimer that >> 'iPAT/GRAPPA factors have already been accounted for'. Could someone >> explain the units on this, and what the correct units are? Ultimately what >> I need to know is if I am going to apply a Spin Echo correction in T2 (from >> a Siemens scanner) would I multiply by 1000 or not? >> >> Thanks for the help, >> >> -Micah >> >> -- >> >> Micah Chambers, M.S. >> >> Laboratory of Neuro Imaging (LONI) >> >> University of California Los Angeles >> >> 635 Charles E. Young Drive SW, Suite 225 Los Angeles, CA 90095-7334 >> >> 310-206-2101 (Office) >> 310-206-5518 (Fax) >> >> 703-307-7692 (Cell) >> >> email: [email protected] >> >> _______________________________________________ >> 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. >> > > > > -- > > Micah Chambers, M.S. > > Laboratory of Neuro Imaging (LONI) > > University of California Los Angeles > > 635 Charles E. Young Drive SW, Suite 225 Los Angeles, CA 90095-7334 > > 310-206-2101 (Office) > 310-206-5518 (Fax) > > 703-307-7692 (Cell) > > email: [email protected] > -- Micah Chambers, M.S. Laboratory of Neuro Imaging (LONI) University of California Los Angeles 635 Charles E. Young Drive SW, Suite 225 Los Angeles, CA 90095-7334 310-206-2101 (Office) 310-206-5518 (Fax) 703-307-7692 (Cell) email: [email protected] _______________________________________________ HCP-Users mailing list [email protected] http://lists.humanconnectome.org/mailman/listinfo/hcp-users
