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EJNMMI Physics
Fig. 4 | EJNMMI Physics

Fig. 4

From: Impacts of acquisition and reconstruction parameters on the absolute technetium quantification of the cadmium–zinc–telluride-based SPECT/CT system: a phantom study

Fig. 4

Impacts of FWHM value of the Gaussian filter on RCs. a 32:1 T/B ratio; b 16:1 T/B ratio; c 8:1 T/B ratio; d 4:1 T/B ratio; RCs were calculated with FWHM value of 0.70–6.99; Fixed reconstruction parameters: 35 iterations, 20 subsets, AC + SC + RR combination; Fixed acquisition parameters: 120 s/frame of acquisition time, 15% energy window

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