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. Author manuscript; available in PMC: 2017 May 21.
Published in final edited form as: Phys Med Biol. 2016 Apr 15;61(10):3681–3697. doi: 10.1088/0031-9155/61/10/3681

Figure 5.

Figure 5

Plots of the CR variance bounds for ROI quantification at different radial positions. (a) 2.5 mm ROI without DOI measurements. (b) 10 mm ROI without DOI measurements. (c) 2.5 mm ROI with 2-layer DOI. (d) 2.5 mm ROI with 3-layer DOI. Curve with circles denotes R = 135 mm; curve with crosses denotes R = 174 mm; curve with boxes denotes for R = 212 mm; curve with triangles denotes R = 288 mm.