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Table 5 RCs for the contrast phantom scanned on the PET/MR and HRRT

From: Cross-validation study between the HRRT and the PET component of the SIGNA PET/MRI system with focus on neuroimaging

    Spheres
    9.9 mm 12.4 mm 15.4 mm 19.8 mm 24.8 mm 31.3 mm
PET/MR Contrast phantom wTOF 49.0 51.9 67.7 78.5 79.5 81.4
wTOF + filter 40.9 44.8 60.8 72.6 77.9 79.9
wTOF + PSF 61.1 60.9 72.9 82.6 80.4 81.9
wTOF + PSF + filter 50.2 52.6 66.7 77.2 78.7 80.5
HRRT Contrast phantom Native 44.5 50.1 59.1 68.4 79.3 80.4
Filter 40.4 48.7 59.6 69.4 76.8 79.3
PSF 54.4 56.9 66.9 71.6 84.5 85.9
PSF + filter 49.5 54.9 65.6 73.4 82.5 85.0