Hi Chole, --proj_iso_x and --proj_iso_y use the same unit as in other geometrical parameters, so in your case those should be in mm not in pixels.
Regards, Chao 2018-04-26 15:30 GMT+02:00 dagetuo <1874415...@qq.com>: > Dear RTK-users, > > I have been trying to run the rtkfdk code for CBCT reconstruction but the > result was not quite right. > I have attached a drawing of my setup and projections could be downloaded > from: > https://drive.google.com/drive/folders/1J0am5Hw67O8b5dmKNlEno4MOnbBZv > sM0?usp=sharing > > Description of our CBCT setup: > 1. The distance from Source to Isocenter is 602.00mm > 2. The distance from Isocenter to Imaging Surface of the Detector is > 403.84mm > 3. Detector physical size: 434mm*434mm > 4. Image Resolution: 2816*2816 > 5. angle step = 1 degree, angular covered is 205 degrees. > > The original size of projections was 2816*2816 and I resized them to > (256,256) for faster calculation. > > This is how I performed my reconstruction: > ( rtksimulatedgeometry -n 205 -o > I:\RTK140_build_git_for_test\bin\Debug\geo.xml > --sdd=1005.84 --sid=602.0 --proj_iso_y=-128.0 --proj_iso_x=-128.0 > --arc=205.0 > > rtkfdk --verbose 1 --path=I:\RTK140_build_git_for_test\bin\Debug\timo1 > --regexp=DCM$ -o I:\RTK140_build_git_for_test\bin\Debug\test3.mha > --hardware="cuda" -g I:\RTK140_build_git_for_test\bin\Debug\geo.xml > --hann 1.0 --dimension 256,256,256 > ) > > Could you please tell me if I am setting the geometry correctly? > > Thank you in advance. > > Chole > > > > > > _______________________________________________ > Rtk-users mailing list > Rtk-users@public.kitware.com > https://public.kitware.com/mailman/listinfo/rtk-users > >
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