Article Figures & Data
Figures
- FIG 1.
Comparison of segmentation methods on healthy fetuses of early and late GAs.
- FIG 2.
Regional comparisons between the proposed and conventional methods. The asterisk indicates P < .001. Cere indicates cerebellum.
- FIG 3.
Regional performance across GAs.
- FIG 4.
Brain segmentation in a fetus with CHD. A, Manually corrected segmentation. B, The proposed method.
Tables
- Table 1:
Average performance of 3D U-Net augmentation methods and normalization across 5 repetitions
Flip Augmentation No Normalization None 3 Direction Left-Right Left-Right Training Cross-entropy 0.0461 (SD, 0.0017) 0.0596 (SD, 0.0006) 0.0502 (SD, 0.0008) 0.03504 (SD, 0.0010) Dice score 0.9380 (SD, 0.0016) 0.9140 (SD, 0.0004) 0.9315 (SD, 0.0012) 0.9284 (SD, 0.0008) Validation Cross-entropy 0.0726 (SD, 0.0041) 0.07472 (SD, 0.0050) 0.06771 (SD, 0.0039) 0.04062 (SD, 0.0023) Dice score 0.8698 (SD, 0.0136) 0.8518 (SD, 0.0163) 0.8819 (SD, 0.0122) 0.8419 (SD, 0.0279) CSF CGM WM DGM Cere BS 3D U-Net 0.922 0.828 0.908 0.884 0.935 0.902 Altas-based 0.808 0.707 0.845 0.755 0.867 0.855 Note:—Cere indicates cerebellum
