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. Author manuscript; available in PMC: 2019 Feb 1.
Published in final edited form as: Inverse Probl. 2018 Jan 10;34(2):024003. doi: 10.1088/1361-6420/aa942c

Figure 5.

Figure 5

Figure 5

Spectral CT images at 90 keV energy bin: (a) Phantom; (b) FBP image reconstructed from 88 projection views; (c) RPCA image reconstructed from 88 projection views; (d) NLSMD image reconstruction from 88 projection view.