Table 1.
Surface to surface distances between surfaces segmented from the original fixed image with those from the original moving image and from the transformed moving images. All values in millimetres (mm).
| Organ | Before Registration | Registered (Anisotropic) |
Registered (Diffusive) |
|---|---|---|---|
| Signed vertex distance (mean ± standard deviation): | |||
| Lungs | 1.69 ± 8.34 | 0.35 ± 5.95 | -0.03 ± 4.86 |
| Liver | 1.38 ± 13.05 | 0.15 ± 8.41 | -0.51 ± 7.47 |
| Chest | 0.01 ± 9.02 | 0.25 ± 1.65 | 0.25 ± 1.65 |
| Muscle | -0.27 ± 5.19 | -0.19 ± 3.28 | -0.17 ± 3.23 |
| Bone | 1.68 ± 3.88 | -0.00 ± 5.08 | 0.05 ± 4.92 |
| Heart | 5.75 ± 8.24 | 7.00 ± 11.14 | 6.79 ± 11.00 |
| Absolute vertex distance (mean): | |||
| Lungs | 6.63 | 3.71 | 2.94 |
| Liver | 10.87 | 5.03 | 3.79 |
| Chest | 8.82 | 0.72 | 0.73 |
| Muscle | 3.44 | 1.86 | 1.81 |
| Bone | 2.43 | 3.34 | 3.28 |
| Heart | 8.24 | 8.87 | 8.60 |
| Absolute vertex distance (histogram central 68th percentile): | |||
| Lungs | [3.29, 7.84] | [0.52, 4.08] | [0.45, 2.95] |
| Liver | [9.52, 19.48] | [1.77, 8.64] | [0.89, 5.76] |
| Chest | [9.08, 12.33] | [0.08, 0.61] | [0.08, 0.68] |
| Muscle | [0.70, 5.56] | [0.35, 2.09] | [0.35, 2.09] |
| Bone | [0.08, 2.55] | [0.50, 4.40] | [0.69, 4.42] |
| Heart | [4.57, 10.91] | [4.36, 14.11] | [4.33, 14.95] |