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EJNMMI Physics
Fig. 2 | EJNMMI Physics

Fig. 2

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. 2

Impacts of iterations 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 1–90 iterations; Fixed reconstruction parameters: six subsets, no filter, AC + SC + RR combination; Fixed acquisition parameters: 120 s/frame of acquisition time, 15% energy window

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