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Table 3 Evaluation of inter/intra-observer agreements over CT and PET image segmentations is shown

From: A computational pipeline for quantification of pulmonary infections in small animal models using serial PET-CT imaging

Animals Observer Observer Evaluation of PET Evaluation of
  agreement rates agreement rates segmentation between interactive
  for CT volume for PET volume consecutive threshold segmentation for
    levels (difference by 5%) pathological lung
Rabbit Intra(%) 84.7±6.0 Intra (%) 92.3±14.4 DSC (%) 86.0±3.6 DSC(%) 86.0±7.1
  Inter (%) 80.6±9.5 Inter (%) 89.8±14.7 HD (mm) 13.2±2.3 HD (mm) 14.2±2.1
Ferret Intra(%) 80.3±4.4 Intra(%) 92.7±12.6 DSC(%) 84.0±5.8 DSC(%) 83.4±8.6
  Inter (%) 77.2±11.2 Inter (%) 81.5±16.2 HD (mm) 10.6±1.6 HD (mm) 4.0±1.4
Mouse Intra (%) 94.7±1.3 Intra (%) 86.6±2.4 DSC(%) 86.5±1.1 DSC(%) 95.1±2.8
  Inter (%) 89.5±3.7 Inter (%) 83.2±3.6 HD (mm) 10.8±1.8 HD (mm) 0.26±0.48
  1. DSC and HD measurements are also reported for evaluating the interactive and adaptive thresholding-based segmentation algorithms compared to ground truths.