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Table 2 Results of the image quality test and image deformation test, by the quality index of structural similarity index (SSIM) and peak signal-to-noise ratio (PSNR)

From: A cycle generative adversarial network for improving the quality of four-dimensional cone-beam computed tomography images

Data set

SSIM

PSNR (dB)

Image quality test

 4D-MSCT

0.37 ± 0.04

9.7 ± 0.4

 sCT

0.86 ± 0.04

15.2 ± 1.9

 p value

< 0.01

< 0.01

Image deformation test

 4D-CBCT

0.43 ± 0.08

19.7 ± 1.7

 sCT

0.42 ± 0.06

19.4 ± 1.5

 p value

0.05

0.03

  1. These values are reported as the mean ± standard deviation in 10 patients. The p value was calculated using a two-tailed t test that compared the results of the original and sCT images
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Radiation Oncology

ISSN: 1748-717X

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