SyneRBI/Hackathon-STIR

Take bed offset into account

rijobro opened this issue · 3 comments

rijobro commented
  • Store bed offset in InterfileHeader. Default = 0.
  • Add to InterfileSiemensHeader (reader and writer, but just reader initially).
  • Set/get functions in ProjDataInfo.
  • Implement offset in MatrixRayTracing.
  • offset_in_z already taken into account, modification would be offset_in_z+/-bed_offset.
  • Test by altering the header of a sinogram (e.g., bed_offset (mm):= 30). Reconstruct. Has the image moved by 30 mm in Slicer?
  • Has it moved 30 mm in the right direction? To test this, we probably need two acquisitions, where the only difference between the two is the bed position. If the two images line up, great! If not, try flipping the +/-.
ashgillman commented

This extended beyond hackathon and is covered by https://github.com/UCL/STIR/projects/1