Table 1. Characteristics of the reconstructions of the four phantoms based on the segmentations of two readers.
The mean absolute difference (<δr>) between the radius of the phantom and the radius of the reconstruction is analyzed in the proximal, stenosis and distal region.
| <δr> prox [mm] | <δr> sten [mm] | <δr> dist [mm] | Length stenosis [mm] | Mean Hausdorf distance [mm] | Area Stenosis [%] | Inflow [ml/s] | outflow ratio [%/%] | |
|---|---|---|---|---|---|---|---|---|
| Phantom 1 | ||||||||
| AD | 7,5 | 60.0 | 0.37 | 25 / 75 | ||||
| Reader 1 | 0.05±0.00 | 0.01±0.01 | 0.08±0.03 | 7,5 | 0.14 | 60.4 | 0.40 | 25 / 75 |
| Reader 2 | -0.08±0.00 | -0.01±0.00 | -0.04±0.02 | 7,9 | 0.14 | 58.0 | 0.32 | 20 / 80 |
| Phantom 2 | ||||||||
| CAD | 7,0 | 60.0 | 0.37 | 24 / 76 | ||||
| Reader 1 | 0.03±0.04 | 0.07±0.01 | 0.05±0.03 | 6,4 | 0.16 | 54.1 | 0.38 | 23 / 77 |
| Reader 2 | -0.04±0.01 | 0.02±0.02 | -0.02±0.02 | 5,8 | 0.12 | 56.5 | 0.34 | 22 / 78 |
| Phantom 3 | ||||||||
| CAD | 5,0 | 60.0 | 0.37 | 24 / 76 | ||||
| Reader 1 | 0.01±0.01 | 0.03±0.01 | 0.01±0.01 | 5,1 | 0.20 | 61.0 | 0.35 | 23 / 77 |
| Reader 2 | -0.08±0.02 | 0.05±0.01 | -0.07±0.01 | 4,8 | 0.10 | 56.6 | 0.33 | 24 / 76 |
| Phantom 4 | ||||||||
| CAD | 6,5 | 60.0 | 0.64 | 48 / 52 | ||||
| Reader 1 | 0.02±0.01 | 0.21±0.01 | 0.10±0.34 | 7,0 | 0.23 | 47.2 | 0.64 | 48 / 52 |
| Reader 2 | -0.08±0.00 | -0.03±0.01 | 0.03±0.12 | 6,5 | 0.12 | 59.4 | 0.58 | 45 / 55 |