[slicer-users] Apply Deformable BSpline Registration tfm on other images

Francois Budin budin at bwh.harvard.edu
Wed Apr 14 15:47:14 EDT 2010


Hi everyone,

Resample Scalar/DTI Volume should actually work with BSpline
transforms. The problem described in this bug report is actually not a
bug, but an incompatibility between two software which do not read the
same way the file containing the transforms. For more details, please
refer to http://na-mic.org/Mantis/view.php?id=709
However, as Dominik said, use the latest version of Resample
Scalar/DTI since a couple bugs have been resolved in the last months.
Sincerely,

Francois

On Tue, Apr 13, 2010 at 17:35, Andriy Fedorov <fedorov at bwh.harvard.edu> wrote:
> Frances,
>
> You need to be careful if you use "Resample Scalar/DTI Volume" module
> for resampling with bspline transform.
>
> Please see unresolved bug http://na-mic.org/Mantis/view.php?id=709.
> The bug report describes the problem, and provides some alternative
> solutions within NA-MIC kit.
>
> Let us know about your experience.
>
> AF
>
>
>
>
> On Tue, Apr 13, 2010 at 17:22, Dominik Meier <meier at bwh.harvard.edu> wrote:
>> Hi Frances
>> The "Harden Transform" function currently only works for linear (affine)
>> transforms, not (yet) for non-rigid BSplines.
>> The module to use is the "Resample Scalar/DTI Volume".  Note that this
>> module has been subject to changes/fixes in 3.5, so if your version does not
>> what expected consider downloading the latest nightly build.
>> http://www.slicer.org/slicerWiki/index.php/Modules:ResampleScalarVectorDWIVolume-Documentation-3.6
>> Best,
>> Dominik
>>
>>
>>
>> On Apr 13, 2010, at 5:13 PM, Frances L. kiM Pik wrote:
>>
>> Hi,
>> I am trying to apply the resulting transformation matrix (.tfm) from
>> 'Deformable BSpline Registration' onto another images. I have tried to do
>> that through the Data Module with the Harden Transform feature. However, the
>> transformation does not seem to be applied.
>> I am wondering if this is the correct way to use the tfm result.
>> Regards,
>> Frances
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