Multicentric study on the reproducibility and robustness of PET-based radiomics features with a realistic activity painting phantom
Piroska Kallos-Balogh,
Norman Felix Vas,
Zoltan Toth
et al.
Abstract:Previously, we developed an "activity painting" tool for PET image simulation; however, it could simulate heterogeneous patterns only in the air. We aimed to improve this phantom technique to simulate arbitrary lesions in a radioactive background to perform relevant multi-center radiomic analysis. We conducted measurements moving a 22Na point source in a 20-liter background volume filled with 5 kBq/mL activity with an adequately controlled robotic system to prevent the surge of the water. Three different lesio… Show more
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