Skip to main content

Table 2 Figures of merit for CT-based and subsequent MI coregistration

From: Comparison of PET/CT and whole-mount histopathology sections of the human prostate: a new strategy for voxel-wise evaluation

Patient CT-based coregistration Subsequent MI
  Method DSC R 2 [%] R 2 Parameters (3D)
  Shift [mm] Rotation [°]
1 ManReg 0.78 20.1 45.8 7 0
ScalFactReg 0.78 12.4 37.5 8 0
DefReg 0.91 21.9 42.4 7 0
2 ManReg 0.86 40.1 54.5 7 8
ScalFactReg 0.86 41.2 54.1 7 0
DefReg 0.91 34.3 48.3 9 1
3 ManReg 0.83 64.5 80.7 3 2
ScalFactReg 0.85 67.3 74.6 3 2
DefReg 0.92 50.8 62.3 6 1
4 ManReg 0.72 49.3 62.1 6 1
ScalFactReg 0.75 63.4 62.6 6 1
DefReg 0.86 57.0 57.9 6 1
5 ManReg 0.73 45.2 56.4 6 0
ScalFactReg 0.85 37.7 41.4 10 2
DefReg 0.91 49.2 52.7 9 0
6 ManReg 0.87 66.6 80.4 4 4
ScalFactReg 0.83 58.9 78.2 4 1
DefReg 0.92 67.9 79.1 3 3
7 ManReg 0.73 29.0 42.5 8 0
ScalFactReg 0.81 26.5 35.5 8 0
DefReg 0.89 11.4 40.0 8 0
8 ManReg 0.83 51.1 68.2 2 10
ScalFactReg 0.84 37.8 63.4 4 0
DefReg 0.91 37.8 62.5 18 14
Mean ManReg   45.7 61.3   
  ScalFactReg   43.2 55.9   
  DefReg   41.3 55.6   
  1. DSC and R 2 for CT-based coregistration methods (left part of the table). On the right-hand side, the R 2 value according to subsequent PET-based MI coregistration is shown