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Quantitative segmentation results with different boundary extension strategies (%)
不同边界延伸策略的定量分割结果（%）
| 变体方法 | OA | mIoU | |
| 无边界延伸 | 83.13 | 77.05 | |
| 法向量延伸 | 92.06 | 87.92 | |
| 曲率延伸 | 94.18 | 89.37 | |
| 本文方法 | 97.12 | 90.98 |
