Table 1 Performance measures and IoU for the model performed on the entire test set across trimesters.

From: Multi-centre deep learning for placenta segmentation in obstetric ultrasound with multi-observer and cross-country generalization

Trimester > 

All

First

Second

Third

Accuracy

0.81

0.55

0.84

0.83

Precision

0.88

0.83

0.90

0.82

Recall

0.78

0.43

0.82

0.79

F1

0.83

0.57

0.86

0.80

IoU

0.78 ± 0.15

0.59 ± 0.16

0.79 ± 0.13

0.78 ± 0.15

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