Skip to main content

Table 4 The clinical metrics of ground-truth and predicted dose distribution using MSE loss and sharp loss (γ = 100)

From: Sharp loss: a new loss function for radiotherapy dose prediction based on fully convolutional networks

  Ground truth Predicted dose
MSE loss Sharp loss (γ = 100)
PTV
 D95 (cGy) 5000.0 ± 0.0 4795.09 ± 173.60 4963 ± 96.30
 HI 0.12 ± 0.03 0.42 ± 0.04 0.19 ± 0.02
 CI 0.83 ± 0.04 0.56 ± 0.08 0.77 ± 0.63
Heart
 Mean (cGy) 625.42 ± 125.20 538.19 ± 147.21 644.46 ± 143.68
 V30 (%) 4.73 ± 1.94 3.0 ± 1.77 4.03 ± 1.77
Ipsilateral lung
 Mean (cGy) 1065.04 ± 46.28 978.22 ± 73.49 1094.99 ± 125.57
 V5 (%) 42.63 ± 2.73 44.8 ± 2.53 45.57 ± 4.13
 V20 (%) 19.21 ± 1.18 17.02 ± 1.99 18.82 ± 3.12
 V30 (%) 13.34 ± 1.28 9.76 ± 1.78 12.99 ± 2.60
Whole lung
 Mean (cGy) 597.11 ± 67.89 545.82 ± 52.60 623.70 ± 87.46
 V5 (%) 24.31 ± 5.90 23.22 ± 2.31 22.94 ± 3.45
 V20 (%) 9.02 ± 1.04 7.99 ± 1.12 8.87 ± 1.83
 V30 (%) 6.28 ± 0.86 4.61 ± 0.81 6.15 ± 1.48