[Rtk-users] How to define RTK geometry?

Данила Кожевников k.danila.a at gmail.com
Thu Jul 21 11:11:46 EDT 2016


Thank you very much!
This is very similar to what I expected.
Now I better understand how to set it correctly.


С уважением,
Данила
тел.: +7 (916) 280-9475

2016-07-21 17:58 GMT+03:00 Simon Rit <simon.rit at creatis.insa-lyon.fr>:

> I tried but failed. I might not understand your geometry definition
> but enclosed is a snapshot of what I obtained and how I translated
> your description to RTK. BTW, did you mix horizontal and vertical for
> the source? If not, it's not in front of the detector? The commented
> commands where used to convert to try to convert your tiff to some
> line integrals.
> Please refer to the geometry document to understand the RTK geometry.
> Good luck,
> Simon
>
> On Thu, Jul 21, 2016 at 1:59 PM, Данила Кожевников <k.danila.a at gmail.com>
> wrote:
> > Thanks in advance,
> >
> > Link to data:
> >
> https://drive.google.com/folderview?id=0BxORXc5Fk3SlVmNRb0puX2k3N28&usp=sharing
> >
> > I split the data and part of projections place to subfolder because
> google
> > show only first 500 files
> >
> > С уважением,
> > Данила
> > тел.: +7 (916) 280-9475
> >
> > 2016-07-21 14:02 GMT+03:00 Simon Rit <simon.rit at creatis.insa-lyon.fr>:
> >>
> >> Hi,
> >> Can you share a dataset to make some quick tests? It's easier than a
> >> ping pong with several tests.
> >> Simon
> >>
> >> On Thu, Jul 21, 2016 at 11:45 AM, Данила Кожевников
> >> <k.danila.a at gmail.com> wrote:
> >> > Dears,
> >> >
> >> > I need help, I am new to RTK and now trying to reconstruct my data.
> For
> >> > this
> >> > I write simple program and also trying to use rtkfdk. But I can not
> >> > understand, how to set geometry correctly.
> >> >
> >> >
> >> > Description of our setup:
> >> >
> >> > source detector distance = 235 mm
> >> > source object distance = 142 mm
> >> >
> >> > detector width = 1200 pixel
> >> > detector height = 256 pixel
> >> >
> >> > pixel size = 0.055 x 0.055 mm
> >> >
> >> > Rotation axis position in term of detector= 500 pixel
> >> >
> >> > vertical center of source in term of detector = 600pixel
> >> > horisontal center of source in term of detector = 203 pixel
> >> >
> >> > I have 720 projections with angle step =0.5 degree
> >> >
> >> >
> >> > Thanks,
> >> > Regards,
> >> > Danila K
> >> >
> >> > _______________________________________________
> >> > Rtk-users mailing list
> >> > Rtk-users at public.kitware.com
> >> > http://public.kitware.com/mailman/listinfo/rtk-users
> >> >
> >
> >
>
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