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The results of the four competing methods (two single-stage and two two-stage strategies) in terms of mean absolute error (MAE) for the landmark localization. Bold font indicates the best result.
| Method | MAE (mm) |
|---|---|
|
| |
| 1-stage: PointNet-Reg | 1.807 ± 1.558 |
| 1-stage: iMeshSegNet-Reg | 1.250 ± 1.021 |
| 2-stage: iMeshSegNet+PointNet-Reg | 0.597 ± 0.761 |
| 2-stage: iMeshSegNet+iMeshSegNet-Reg | 0.773 ± 0.832 |
