[Rtk-users] How to configure beam characteristics such as filtration

Simon Rit simon.rit at creatis.insa-lyon.fr
Mon Apr 20 08:07:21 EDT 2020

This is not possible in RTK, the forward projections are just the line
integral of a given voxelized volume. In the Joseph forward projection
there is a number of templated functors that can be changed to use a
spectrum. They have been developed for Gate, see here
There, you can pass a full source spectrum to compute DRRs.

On Sat, Apr 18, 2020 at 8:21 PM Isuru Suranga Wijesinghe <
isurusuranga.wijesinghe at gmail.com> wrote:

> Hi,
> I’m currently working on generating DRR image from 3D CT volumes.
> Is there a way to configure beam characteristics such as filtration ?
> That is for an example we use a 120kVp beam, and the filtration is given
> as 16.25mmAl at 120kVp. Does RTK versions has two parameters to keep these
> two values (120 kVp and 16.25mmAl)
> Thanks and Best Regards,
> Isuru
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