Registration method | Liver overlap score | Image correlation | Observation distance (annotated by reader 1) | Observation distance (annotated by reader 2) | |
---|---|---|---|---|---|
Manual registration | Reader 1 | 0.74 ± 0.10 | 0.36 ± 0.14 | 14.73 ± 8.20 | / |
Reader 2 | 0.73 ± 0.12 | 0.35 ± 0.14 | / | 16.09 ± 8.49 | |
Automated registration (with masking) | Binary mask | 0.86 ± 0.06 | 0.42 ± 0.16 | 8.40 ± 4.62 | 8.42 ± 5.78 |
Intensity mask | 0.86 ± 0.06 | 0.43 ± 0.16 | 8.26 ± 4.64 | 8.49 ± 5.67 | |
Automated registration (without masking) | Whole image | 0.73 ± 0.15 | 0.39 ± 0.17 | 22.95 ± 24.42 | 18.11 ± 16.06 |