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. Author manuscript; available in PMC: 2018 Jan 10.
Published in final edited form as: IEEE Trans Comput Imaging. 2017 Feb 28;3(4):617–632. doi: 10.1109/TCI.2017.2675705

Fig. 19.

Fig. 19

Reconstructed results from a clinical data set. (a) is reconstructed by the FDK algorithm as a reference. (b) and (c) are reconstructed by the GPU-BL CPU-32, respectively. (d) is the differences between GPU-BL and CPU-32 in a display widow [−0.5, 0.5] HU. (e) and (f) are the differences between the FDK reference and GPU-BL and CPU-32 in display window [−20, 20] HU, respectively.