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Hi Niloufar,<br>
<br>
There is no such program in RTK, and you won't find it anywhere
else. What you are asking for is impossible. <br>
In 2D fan-beam, rays can be sorted into groups of parallel rays,
because they are indeed parallel to each other.<br>
In 3D cone beam along a circular trajectory, the rays outside the
central slice cannot be sorted into groups of parallel rays : they
just aren't parallel. <br>
<br>
Hope that helps.<br>
<br>
PS : The more I think about it, the more I think there must be some
connection between the possibility of re-binning to parallel
projections and Tuy's data sufficiency condition. If someone has a
clear understanding of this area, I'm curious about it.<br>
<br>
<div class="moz-cite-prefix">On 12/18/2015 08:43 PM, niloufar
teyfouri wrote:<br>
</div>
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<div>Hi Dear RTK users<br>
<br>
</div>
Do you know a program in RTK for rebinning the 3D circular
cone beam ct projections on the flat panel detector to
parallel beam projections?<br>
<br>
</div>
I would be appreciate, If you could help me.</div>
<br>
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