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EJNMMI Research
Fig. 1 | EJNMMI Research

Fig. 1

From: Asphericity of tumor FDG uptake in non-small cell lung cancer: reproducibility and implications for harmonization in multicenter studies

Fig. 1

Sphere activity profiles. a Radial activity profiles of the 37-mm sphere for the reference algorithm with different in-plane filter widths to achieve different levels of reconstructed spatial resolution (FWHM). Acquisition time was 180 s. Substantial noise propagation can be observed at FWHM of approx. 5 mm. b Corresponding profiles for 6.4-mm in-plane filter width at shorter acquisition times. Noise especially increases between 90 and 60 s acquisition time, while reconstructed spatial resolution remains similar

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