[Rtk-users] Spiral CT

[Simon Rit]

Hi,
There is no FBP implementation for spiral CT. The only way this could work
is with iterative algorithms (e.g., conjugate gradient) using Joseph
forward and backprojectors. Voxel-based backprojector (the default) won't
work because it does a bilinear interpolation on the projections. I don't
have an example available for you, sorry...
Cheers,
Simon

On Mon, Jan 6, 2020 at 1:08 PM Ali ghorbanian <e.a.gh72 at gmail.com> wrote:

> Hi,
>
> I have a spiral model for CT  (Fan Beam) imaging; how can I reconstruct
> the output images with RTK?
>
> Tank you.
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