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Fig. 6 | EJNMMI Physics

Fig. 6

From: Quantitative SPECT/CT imaging of lead-212: a phantom study

Fig. 6

Fractional uncertainties for activity quantitation in spheres plotted against reconstruction updates for different sphere volumes. Results from using the mean counts are on the left (ae), and results from using maximum counts are on the right (fj). The smallest sphere (0.52 ml) is not included as all the uncertainties exceeded 60%

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