[Insight-users] DiffusionTensor3DReconstructionFilter - measurement frame

[Karthik Krishnan]

It defaults to identity. ie the absence of the measurement frame is
equivalent to saying that the coordinate frame of the gradients is the same
as the that of the image orientation.

On Tue, Feb 15, 2011 at 3:20 PM, alba garin <albagarin1986 at hotmail.com>wrote:

>
> Hello,
> thanks for your quick answer. What happens if in my header file there is no
> measurement frame?
> thanks,
>
>
>
>
>
> ------------------------------
> Date: Tue, 15 Feb 2011 11:16:34 +0530
> Subject: Re: [Insight-users] DiffusionTensor3DReconstructionFilter -
> measurement frame
> From: karthik.krishnan at kitware.com
> To: albagarin1986 at hotmail.com
> CC: insight-users at itk.org
>
>
> Yes. That's right. Please feel free to contribute a patch. The gradient
> direction needs to be pre-multiplied by the measurement frame. You can
> externally do this before supplying the container of gradient directions to
> the filter.
>
> Alternatively, you can use the Stochastic Tractography Filter in Slicer
> which does take the measurementframe into account.
>
>
> http://viewvc.slicer.org/viewcvs.cgi/*checkout*/trunk/Applications/CLI/DiffusionApplications/StochasticTractographyFilter/itkStochasticTractographyFilter.txx?rev=5439
>
>
> On Mon, Feb 14, 2011 at 2:19 PM, alba garin <albagarin1986 at hotmail.com>wrote:
>
>  Good morning,
>
> i read that the DiffusionTensor3DReconstructionFilter does not take into
> account the measurement frame in gradient directions. ¿is it still working
> this way?
>
> thanks,
>
>
>
>
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