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. Author manuscript; available in PMC: 2013 Sep 19.
Published in final edited form as: Comput Med Imaging Graph. 2013 Jun 24;37(4):293–303. doi: 10.1016/j.compmedimag.2013.05.004

Table 2.

CNRs of the reconstructed images by different algorithms.

Methods FBP KL-PWLS NLM SR-NLM
CNR (ROI 1) 1.957 1.995 1.994 1.999
CNR (ROI 2) 0.786 1.463 1.776 1.918