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. Author manuscript; available in PMC: 2016 Oct 19.
Published in final edited form as: Phys Med Biol. 2015 Nov 27;61(1):90–113. doi: 10.1088/0031-9155/61/1/90

Figure 8.

Figure 8

CNR measured as a function of spatial resolution: zoomed images of the 12 mm low-contrast adipose insert are shown in (A) for the constant and spatially varying penalty at matched resolution. CNR curves as a function of resolution (ε) measured in the same insert are presented in (B). The gray curve denotes the spatially constant penalty, the black curve marks the spatially varying penalty. Horizontal error bars represent the standard deviation, σε, of the measured resolution. Zoomed images with solid and dashed frames indicate equal CNR between the spatially constant and spatially varying penalty.