[Mristudio-users] Mulitiple b-values

[Seongjin]

Thanks for your reply.
That's why 3T and 7T data did not work with DTI studio with the same
options.
Thanks again.

Seongjin

On Mon, Aug 4, 2008 at 4:55 PM, Hangyi Jiang <hjiang at jhmi.edu> wrote:

> hi,
>
> seems that your dataset is from Philips, right?
>
> as we known, the old Philips software (before version 4.xx? i'm not exactly
> sure) export the DWIs by "slice-by-slice" format, while new versions use
> "gradient by gradient" format.
>
> regards,
>
> hangyi
>
>
>
>
>
> >>> "[Seongjin]" <choisj70 at gmail.com> 08/04/08 2:52 PM >>>
> What I found while I was trying your recommendation, somehow DTI data
> did not work with image sequence option "gradient by gradient".
> When I selected the option with "slice-by-slice", I had a good 3D view.
> Do you have any recommendation on selecting options on this?
>
> Regards,
>
> Seongjin
>
> On Fri, Aug 1, 2008 at 1:41 PM, Hangyi Jiang <hjiang at jhmi.edu> wrote:
>
> > hi,
> >
> > you can process the multiple b-values' dataset by defining the gradient
> > table in this way:
> >
> > #: X, Y, Z, b-value
> >
> > for example, if you have 2 dataset (6 directional DWI), one is acquired
> > with b-value=800, another one is 1000; the gradent table might be:
> >
> > 1: 1, 0, 0, 800
> > 2: 0, 1, 0, 800
> > 3: 0, 0, 1, 800
> > 4: 1, 1, 0, 800
> > ......
> > 7: 1, 0, 0, 1000
> > 8: 0, 1, 0, 1000
> > 9: 0, 0, 1, 1000
> > 10: 1, 1, 0, 1000
> > ....
> >
> > regards,
> >
> > hangyi
> >
> >
> >
> >
> >
> >
> >
> >
> > >>> "[Seongjin]" <choisj70 at gmail.com> 08/01/08 12:28 PM >>>
> > I have some DTI data have 5 b-values: 0, 250, 500, 750, 1000. (Philips
> 3T)
> > For each b-value, low directional resolution was applied and all the data
> > were saved in a single file.
> > Is DTI studio capable of handling this data?
> > Is there anyone who worked on this types of data?
> >
> > _______________________________________________
> > Mristudio-users mailing list
> > Mristudio-users at mristudio.org
> > http://lists.mristudio.org/mailman/listinfo/mristudio-users
> >
>
> _______________________________________________
> Mristudio-users mailing list
> Mristudio-users at mristudio.org
> http://lists.mristudio.org/mailman/listinfo/mristudio-users
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.mristudio.org/pipermail/mristudio-users/attachments/20080804/071c0a52/attachment.html