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. Author manuscript; available in PMC: 2020 May 1.
Published in final edited form as: Med Phys. 2019 Mar 22;46(5):2157–2168. doi: 10.1002/mp.13458

Table 4.

The segmentation comparison of the proposed method with the seven methods participated in 2017 AAPM Thoracic Auto-segmentation Challenges.

Method Esophagus Heart Left Lung Right Lung Spinal Cord
DSC 1 0.72±0.10 0.93±0.02 0.97±0.02 0.97±0.02 0.88±0.037
2 0.64±0.20 0.92±0.02 0.98±0.01 0.97±0.02 0.89±0.042
3 0.71±0.12 0.91±0.02 0.98±0.02 0.97±0.02 0.87±0.110
4 0.64±0.11 0.90±0.03 0.97±0.01 0.97±0.02 0.88±0.045
5 0.61±0.11 0.92±0.02 0.96±0.03 0.95±0.05 0.85±0.035
6 0.58±0.11 0.90±0.02 0.96±0.01 0.96±0.02 0.87±0.022
7 0.55±0.20 0.85±0.04 0.95±0.03 0.96±0.02 0.83±0.080
Proposed 0.75±0.08 0.87±0.05 0.97±0.01 0.97±0.01 0.90±0.04
MSD(mm) 1 2.23±2.82 2.05±0.62 0.74±0.31 1.08±0.54 0.73±0.21
2 6.30±9.08 2.42±0.82 0.61±0.26 0.93±0.53 0.69±0.25
3 2.08±1.94 2.98±0.93 0.62±0.35 0.91±0.52 0.76±0.60
4 2.03±1.94 3.00±0.96 0.79±0.27 1.06±0.63 0.71±0.25
5 2.48±1.15 2.61±0.69 2.90±6.94 2.70±4.84 1.03±0.84
6 2.63±1.03 3.15±0.85 1.16±0.43 1.39±0.61 0.78±0.14
7 13.10±10.39 4.55±1.59 1.22±0.61 1.13±0.49 2.10±2.49
Proposed 1.05±0.66 1.49±0.85 0.61±0.73 0.65±0.53 0.38±0.27
HD95(mm) 1 7.3+10.31 5.8±1.98 2.9±1.32 4.7±2.50 2.0±0.37
2 19.7±25.90 7.1±3.73 2.2±10.79 3.6±2.30 1.9±0.49
3 7.8±8.17 9.0±4.29 2.3±1.30 3.7±2.08 2.0±1.15
4 6.8±3.93 9.9±4.16 3.0±1.08 4.6±3.45 2.0±0.62
5 8.0±3.80 8.8±5.31 7.8±19.13 14.5±34.4 2.3±0.50
6 8.6±3.82 9.2±3.10 4.5±1.62 5.6±3.16 2.1±0.35
7 37.0±26.88 13.8±5.49 4.4±3.41 4.1±2.11 8.1±10.72
Proposed 4.52±3.81 4.58±3.67 2.07±1.93 2.50±3.34 1.19±0.46