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. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: J Struct Biol. 2010 Apr 4;171(2):142–153. doi: 10.1016/j.jsb.2010.03.018

Figure 2.

Figure 2

Pseudo code for sinogram-based forward projection. The first two gray lines are executed on the CPU, while the remainder is GPU-resident fragment code. Note that a fragment in this code is the equivalent of a CUDA thread.