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. Author manuscript; available in PMC: 2015 May 21.
Published in final edited form as: Phys Med Biol. 2014 Apr 28;59(10):N65–N79. doi: 10.1088/0031-9155/59/10/N65

Figure 2.

Figure 2

Physical Phantom Experiment: (a) Conventional CT reconstruction of the physical phantom using a standard filtered backprojection (FBP) algorithm. (b) Decomposed K-edge (ytterbium) sinogram. (c) The estimated sinogram variance.