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. Author manuscript; available in PMC: 2014 Nov 1.
Published in final edited form as: IEEE Trans Med Imaging. 2013 Jun 7;32(11):10.1109/TMI.2013.2266898. doi: 10.1109/TMI.2013.2266898

Fig. 1.

Fig. 1

Diagram of helical CT geometry. A (red) dashed region indicates the detector rows that measure data with contributions from voxels both within and outside the ROI.