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. Author manuscript; available in PMC: 2011 Jun 2.
Published in final edited form as: IEEE Trans Image Process. 2009 Apr 24;18(6):1228–1238. doi: 10.1109/TIP.2009.2017139

Fig. 3.

Fig. 3

(a) FBP reconstruction from the smoothed sinogram data with electronic noise compensation. The display window is [0, 0.4] cm−1. (b) The definition of ROIs and line profiles for measuring resolution. (c) Noise-resolution trade-off of different reconstruction procedures for the cylinder at 3 o’clock position and (d) for the smaller cylinder at 12 o’clock position.