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

[Minjie Wu]

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.

http://picasaweb.google.com/minjiewu/Screenshot#5487912780977013010

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
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