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Table 3 S and PPV obtained by the PET-AS methods for 6 spheres modelled with 2 uptake levels

From: A novel phantom technique for evaluating the performance of PET auto-segmentation methods in delineating heterogeneous and irregular lesions

  S1 S2 S3 S4 S5 S6
  S PPV S PPV S PPV S PPV S PPV S PPV
AT 0.625 0.882 0.771 0.902 0.579 1.000 0.379 1.000 0.443 0.995 0.214 1.000
RG 0.833 0.741 0.833 0.870 0.748 0.976 0.564 1.000 0.562 0.978 0.400 1.000
GCM2 0.583 0.778 0.792 0.884 0.692 0.949 0.546 0.969 0.560 0.978 0.421 1.000
GCM3 0.708 0.739 0.729 0.946 0.495 1.000 0.392 1.000 0.502 0.983 0.346 1.000
GCM4 0.833 0.400 0.875 0.700 0.794 0.914 0.617 0.959 0.715 0.936 0.581 0.994
GCM5 0.917 0.148 0.938 0.484 0.953 0.773 0.780 0.876 0.806 0.850 0.740 0.969
GCM6 0.958 0.096 0.958 0.326 0.991 0.639 0.868 0.764 0.921 0.761 0.845 0.915
GCM7 0.958 0.068 0.979 0.181 1.000 0.495 0.925 0.689 0.964 0.657 0.906 0.870
GCM8 1.000 0.055 1.000 0.119 1.000 0.334 0.952 0.612 0.992 0.558 0.951 0.814
WT 0.750 0.546 1.000 0.533 0.757 0.871 0.608 0.965 0.600 0.884 0.346 0.942