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The aim of this study was to quantify image noise and signal recovery in respiratory gated PET. A Jaszczak phantom filled with 18F was placed on a platform moving sinusoidally. Two source to background activity ratios were used: 5:1 and 3:1 (sphere:background). An Anzai belt, a surface tension monitoring device, was strapped around the phantom to track the motion and to trigger the gated PET cycle...
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