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. Author manuscript; available in PMC: 2015 Feb 7.
Published in final edited form as: Phys Med Biol. 2014 Jan 17;59(3):541–559. doi: 10.1088/0031-9155/59/3/541

Figure 12.

Figure 12

(a) The speedup of GPU-based projector over CPU-based projector. (b) The speedup of Bresenham's raytracer over Siddon's raytracer. All dash lines indicate the average speedup factor.