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. Author manuscript; available in PMC: 2016 Jul 1.
Published in final edited form as: Comput Med Imaging Graph. 2015 Mar 6;43:26–35. doi: 10.1016/j.compmedimag.2015.02.008

Table 3.

Noise reduction performance of the five reconstruction methods for the anthropomorphic torso phantom

Metrics FBP FBP+NLM filtering PWLS-NLM PWLS-adaptiveNLM PWLS-TV
PSNR (dB) 31.00 38.91 39.17 39.39 39.09
NMSE (1e-4) 148.54 24.06 22.62 21.54 23.11