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Table 2 Consistency evaluation of pixel values in 4D reconstructed images

From: Cone-beam CT reconstruction for non-periodic organ motion using time-ordered chain graph model

Methods

Normalized RMSE

 

Patient A

Patient B

 

ROI1

ROI2

ROI3

ROI4

ROI1

ROI2

ROI3

ROI4

TVCS (200°)

3.5%

3.7%

3.5%

2.5%

5.2%

2.3%

0.7%

3.8%

PICCS (90°)

6.3%

7.8%

5.9%

6.9%

6.1%

6.8%

6.7%

8.9%

TCGM (90°)

7.0%

9.0%

6.4%

5.8%

7.5%

6.6%

7.8%

8.5%

  1. Root mean square errors (RMSEs) of mean pixel values in each ROIs through nine phases, normalized by mean pixel values of TVCS (360°) images, are listed. The size and location of each ROI are shown in Fig. 4
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Radiation Oncology

ISSN: 1748-717X

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