[Rtk-users] Need some help in motion compensation

[Simon Rit]

Hi,
The wiki needs to be integrated into the new RTK doc mechanism and cleaned
up, sorry about this.
1. You can now find the parameter file here
<https://github.com/SuperElastix/ElastixModelZoo/tree/master/models/Par0016>
.
2. clitk tools are distributed along vv <http://vv.creatis.insa-lyon.fr>.
3. The demo data is from a conventional CT. The literature is vast on how
you can estimate a 4D DVF from a 4D CBCT image and out of the scope of
RTK... I would still test this parameter file to start with.
Good luck!
Simon

On Thu, Sep 19, 2024 at 11:29 AM Sean Lam <sseeaannlam at gmail.com> wrote:

> Dear RTK Developers,
>
> I hope this email finds you well. Recently, I have been attempting to use
> the motion compensation feature in rtkfdk and have encountered several
> issues. I would greatly appreciate your assistance in resolving them.
>
>    1. When following the example provided on the rtkwiki to attempt
>    motion compensation and generate DVF, I noticed that the file
>    Par0016.multibsplines.lung.sliding.txt is missing.
>    2. In the section where the DVF is generated, are
>    clitkMatrixTransformToVF and clitkComposeVF applications of elastix?
>    The version of elastix (5.2) that I downloaded does not contain these two
>    applications.
>    3. Given the context of Cone Beam CT (CBCT), how can I generate my own
>    DVF files? It appears that the demo data seems to be from a flat-panel CT.
>
> Thank you very much for your help. Your guidance will be greatly
> appreciated.
>
> Best regards Sean
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> rtk-users at openrtk.org
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>
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