Can you please send the geometry.xml? Louie
Sent from my iOS > Am 19.04.2016 um 12:15 schrieb AMJAD N <[email protected]>: > > Sir, > > sdd and sid is measured from the experiment setup. > -0.5*spacing*(size-1) logic is applied and effect is same. > > The parameters we know are described below. Please go through it and help me > tackle this issue. > > Number of projections: 50 > > Object size: > x = 9.924236 mm > y = 8.3048 mm > z = 10.505572mm > > Detector panel: > flat panel : Width: 1032 px., Height: 1012 px. > Width: 51.6mm Height: 50.6mm > (Detector pixel pith: 0.05mm) > > Source to Detector Distance = 459.154 mm > Source to object axis distance = 95.331mm > > Direction of rotation: clock-wise > > Angle > start: 0 degrees > increment: 7.2 degrees > total: 360 degrees > > Thanks and Regards. > AMJADN > >> On Tue, Apr 19, 2016 at 11:32 AM, Simon Rit <[email protected]> >> wrote: >> Dear Amjad, >> I had a quick look at your dataset. For sure, it's a geometry problem. Do >> you have any information regarding the geometry? How did you obtain sdd / >> sid? >> Currently, I can see that you have set the projections and the volume origin >> to 0,0,0 which is not correct, you probably want to center them for a first >> test. If you want to center them, the formula to compute the origin is >> -0.5*spacing*(size-1) for each corrdinate. >> Simon >> >> >>> On 18/04/2016 08:50, AMJAD N wrote: >>> Hi, The data set is reattached below,. Someone please look into it and help >>> me please, >>> >>> http://filenurse.com/download/bb2827a35cc99a14feee17d2c37cdf76.html >>> >>> Thanks in advance >>> AMJAD >>>> >>>> Message: 1 >>>> Date: Thu, 14 Apr 2016 17:21:12 +0530 >>>> From: AMJAD N <[email protected]> >>>> To: [email protected] >>>> Subject: [Rtk-users] Help Regarding FDK reconstruction >>>> Message-ID: >>>> >>>> <cahq1iunqyc-zgrh7o6yrmtiwqnusapnokzrkpnxm5bpj_3b...@mail.gmail.com> >>>> Content-Type: text/plain; charset="utf-8" >>>> >>>> Hi >>>> >>>> I am new to RTK. and I have been looking into it for the past two weeks..I >>>> think its an amazing tool.. >>>> >>>> My problem is: >>>> >>>> >>>> I have a set of 50 raw CT scan projections of an industrial fin as shown >>>> (fin.jpg) >>>> I am reading it using ImageSeriesReader with RawimageIO and been have >>>> trying to reconstruct it using FDKConeBeamReconstructionFilter. Its been >>>> almost a week that I am trying this,but >>>> I could not reconstruct it correctly >>>> I tried varying my geometry, origin, spacing etc ..but still no hope >>>> >>>> Can u please look into my program(finRecon.txt) and the current output I am >>>> getting is output_fin.mha , which is incorrect and suggest some help >>>> >>>> The link to my dataset: >>>> >>>> http://expirebox.com/download/b523394ea63c635d10171a69e687993b.html >>>> >>>> raw image dimensions : 1032 *1012 >>>> raw image 16 bit >>>> current spacing: 0.05 0.05 0.05 >>>> origin: 0 0 0 >>>> step angle 7.2 degrees >>>> >>>> >>>> Thanks in advance, >>>> >>>> AMJAD >>>> -------------- next part -------------- >>>> An HTML attachment was scrubbed... >>>> URL: >>>> <http://public.kitware.com/pipermail/rtk-users/attachments/20160414/784c3452/attachment-0001.html> >>>> >>>> ------------------------------ >>>> >>>> Subject: Digest Footer >>>> >>>> _______________________________________________ >>>> Rtk-users mailing list >>>> [email protected] >>>> http://public.kitware.com/mailman/listinfo/rtk-users >>>> >>>> >>>> ------------------------------ >>>> >>>> End of Rtk-users Digest, Vol 44, Issue 3 >>>> **************************************** >>> >>> >>> >>> _______________________________________________ >>> Rtk-users mailing list >>> [email protected] >>> http://public.kitware.com/mailman/listinfo/rtk-users > > _______________________________________________ > Rtk-users mailing list > [email protected] > http://public.kitware.com/mailman/listinfo/rtk-users
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