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Table 3 Mean error (ME) and mean absolute error (MAE) in the CT numbers of each site: lung, soft tissue, bone regions, and whole image

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

Site

Image

ME (HU)

MAE (HU)

Lung

4D-CBCT

595.3 ± 122.5

595.3 ± 122.5

sCT

55.9 ± 46.7

64.3 ± 32.5

p value

< 0.01

< 0.01

Soft tissue

4D-CBCT

378.1 ± 111.5

378.1 ± 111.5

sCT

38.3 ± 92.8

72.9 ± 65.9

p value

< 0.01

< 0.01

Bone

4D-CBCT

390.1 ± 93.0

390.1 ± 93.0

sCT

− 7.5 ± 96.5

78.9 ± 49.5

p value

< 0.01

< 0.01

Whole image

4D-CBCT

424.3 ± 88.4

424.3 ± 88.4

sCT

111.1 ± 17.4

111.1 ± 17.4

p value

< 0.01

< 0.01

  1. These values were calculated with respect to the CT numbers in the 4D-MSCT images and are shown in terms of mean ± standard deviation for 10 patients in each site. The p value was obtained by a comparison of the results of the 4D-CBCT and sCT images using a two-tailed t test
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Radiation Oncology

ISSN: 1748-717X

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