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Table 4 Evaluation results of mutual information

From: A 4D-CBCT correction network based on contrastive learning for dose calculation in lung cancer

Index

4D-CBCT

4D-sCT(Cyc)

4D-sCT(CLC)

MI

0.735 ± 0.08

1.303 ± 0.08

1.323 ± 0.08

P value(vs 4D-CBCT)

–

p < 0.01

p < 0.01

P value(vs Cyc)

–

–

p < 0.01

  1. The table includes the mean ± variance of MI based on 4D-CT for five patients. The significance of 4D-sCT was evaluated using paired t test
  2. "-" indicates that no comparison was made