[Rtk-users] Use RTK library for fan beam CT

[Simon Rit]

Currently, you cannot use FBP / FDK reconstruction in RTK with cylindrical
detector. You can use iterative reconstruction (SART, conjugate gradient,
osem, ...)
Simon

On Tue, Jul 2, 2019 at 1:02 PM Ali ghorbanian <e.a.gh72 at gmail.com> wrote:

> Hi,
> I set RadiusCylindricalDetector  and see
> Errore(use CudaFDKConeBeamReconstructionFilter method for Reconstruction)
> voxel-based FDK back projector can currently not handle Cylindrical
> Detectors.
> So I can not use the FDK filter?
> Which filter should I use for RadiusCylindricalDetector  in RTK?
>
> Best regards
>
> On Mon, Jul 1, 2019 at 12:19 PM Simon Rit <simon.rit at creatis.insa-lyon.fr>
> wrote:
>
>> Hi,
>> RTK only works in 3D. Still, you can describe this in 3D. You must set
>> RadiusCylindricalDetector. See the geometry doc here
>> <http://www.openrtk.org/Doxygen/DocGeo3D.html>. Note that only iterative
>> reconstruction currently works with this geometry.
>> Simon
>>
>> On Sun, Jun 30, 2019 at 2:06 PM Ali ghorbanian <e.a.gh72 at gmail.com>
>> wrote:
>>
>>> Hi,
>>> How to use RTK  library for  fan beam CT (cone beam x-ray with curve
>>> shape detector)?
>>> As figure :
>>> [image: image.png]
>>> Best regards
>>> _______________________________________________
>>> Rtk-users mailing list
>>> Rtk-users at public.kitware.com
>>> https://public.kitware.com/mailman/listinfo/rtk-users
>>>
>>
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