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. Author manuscript; available in PMC: 2015 Nov 7.
Published in final edited form as: Phys Med Biol. 2014 Oct 8;59(21):6445–6466. doi: 10.1088/0031-9155/59/21/6445

Figure 4. Spectral diffusion.

Figure 4

Spectral diffusion uses bilateral filtration and the split Bregman method to remove noise from spectral CT data while ensuring a gradient-sparse material decomposition.