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. Author manuscript; available in PMC: 2021 Jul 9.
Published in final edited form as: Proc SPIE Int Soc Opt Eng. 2013 Mar 19;8668:86681F. doi: 10.1117/12.2008421

Fig. 2:

Fig. 2:

Separable footprints projector. The contribution of each projected voxel onto pixels within the detector can be accurately approximated using separable trapezoidal functions along each detector axis.