[Rtk-users] Need some help with Projection of 3D CT data

[Simon Rit]

Hi,
Please stick to the mailing list.
That's exactly what I understood and my previous answer is still valid.
Simon

On Thu, Oct 15, 2015 at 11:47 AM, vishal k <itkhelpacc at gmail.com> wrote:

> hi Simon,
> Thanks for ur advice..sorry i couldn't explain it properly...here my
> problem explained in detail.. I have to register 3D ct data with
> Fluoroscopy image obtained during surgery.. the problem is that they use
> different co-ordinate systems.. I thought since i can obtained the C arm
> position using the DICOM tags (source to patient distance etc), i could use
> these positions values to obtain forward projection of the CT data.. after
> doing this I feel my registering the forward projection image and the
> actual fluoroscopy image(obtained during the surgery) would be easier...Please
> advice me if there is any better way to deal this problem..
> Regards
> Vishal
>
> On Thu, Oct 15, 2015 at 3:03 PM, Simon Rit <simon.rit at creatis.insa-lyon.fr
> > wrote:
>
>> Yes, RTK can certainly do things like that. Start with a simple geometry
>> following the example Forward projection
>> <http://wiki.openrtk.org/index.php/RTK/Scripts/ForwardProjection> of the
>> wiki <http://wiki.openrtk.org/> and maybe come back to us with more
>> precise questions?
>> Good luck,
>> Simon
>>
>> On Thu, Oct 15, 2015 at 9:52 AM, vishal k <itkhelpacc at gmail.com> wrote:
>>
>>> hi,
>>> Im working on a CT data set using ITK.. Im trying to come up with a
>>> registration algorithm for fluoroscopy image obtained from C-Arm taken at
>>> some angle wrt to the patient and the projection of CT data taken at the
>>> same angle as that of the C-arm.. i need to change the angles of projection
>>> and the focal length of the source from time to time for my study.. I was
>>> wondering if i could do that using RTK? If yes, could you tell me where I
>>> find information that is relevant to my problem..Thank you
>>> Regards
>>>
>>> _______________________________________________
>>> Rtk-users mailing list
>>> Rtk-users at public.kitware.com
>>> http://public.kitware.com/mailman/listinfo/rtk-users
>>>
>>>
>>
>
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