[Mristudio-users] define ROI in DTI Studio and ROI Editor

[Minjie Wu]

Thanks a lot.  Appreciate it very much.

BTW: Another question in the DTI Studio, is it possible to place the ROI at
the center of the crosshairs without offset?

Minjie

On Mon, Jun 28, 2010 at 3:44 PM, Xin Li <xli16 at jhmi.edu> wrote:

> Sorry. it should be "the ROI boundary" not "the voxel boundary".
>
>
> Xin
>
>
>
> ----- Original Message -----
> From: Minjie Wu <minjiewu at gmail.com>
> Date: Monday, June 28, 2010 3:45 pm
> Subject: Re: [Mristudio-users] define ROI in DTI Studio and ROI Editor
> To: "DTI Studio, ROI Editor, DiffeoMap Questions/Support" <
> mristudio-users at mristudio.org>
>
>
> > Hello Xin,
> >
> >  I have created two ellipsis ROIs of the same size (4x4). The one on
> > the left
> >  is added to an object, and the one on the right is not added to an
> object.
> >  The object looks like an arrow instead of an ellipsis. Please see the
> >  screenshot through the link.
> >
> >
> >
> >  Thanks,
> >  Minjie
> >
> >  On Mon, Jun 28, 2010 at 1:47 PM, Xin Li <xli16 at jhmi.edu> wrote:
> >
> >  > Hello Minjie,
> >  >
> >  > May I ask what you mean about "ellipsis no longer looks like
> ellipsis"?
> >  >
> >  >
> >  > Xin
> >  >
> >  >
> >  > ----- Original Message -----
> >  > From: Minjie Wu <minjiewu at gmail.com>
> >  > Date: Monday, June 28, 2010 1:45 pm
> >  > Subject: [Mristudio-users] define ROI in DTI Studio and ROI Editor
> >  > To: mristudio-users at mristudio.org
> >  >
> >  >
> >  > > Hello All,
> >  > >
> >  > >  We need to measure FA in the substantia nigra (SN) in our
> > project. Small
> >  > >  ellipse ROIs (4x4) are placed in these area using DTI Studio and
> > ROI
> >  > > Editor
> >  > >  respectively.
> >  > >
> >  > >  1. For DTI Studio, the ROI is not placed at the center of the
> >  > crosshairs,
> >  > >  but instead there is an offset. Is there any way to fix or
> > adjust this?
> >  > >
> >  > >  2. For ROI Editor, the ellipsis ROI (4x4) is placed in SN, and the
> >  > location
> >  > >  of the ROI can be adjusted, then added to an object. However
> > once the
> >  > >  ellipsis ROI is combined to an object, ellipsis no longer looks
> > like
> >  > >  ellipsis. Is there any way to avoid this?
> >  > >
> >  > >  Thank you very much.
> >  > >
> >  > >  Sincerely,
> >  > >
> >  > >  --
> >  > >  Minjie Wu, PhD
> >  > >  Department of Neurology
> >  > >  Northwestern University
> >  > >  710 N Lake Shore Dr
> >  > >  Abbott Hall, 11th floor, Suite 1107
> >  > >  Chicago IL 60611
> >  > >  Phone: 312-503-1522
> >  > > _______________________________________________
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> >  > >  Mristudio-users at mristudio.org
> >  > >
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> >  >
> >
> >
> >
> >  --
> >  Minjie Wu, PhD
> >  Department of Neurology
> >  Northwestern University
> >  710 N Lake Shore Dr
> >  Abbott Hall, 11th floor, Suite 1107
> >  Chicago IL 60611
> >  Phone: 312-503-1522
> > _______________________________________________
> >  Mristudio-users mailing list
> >  Mristudio-users at mristudio.org
> >
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