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Table 1 Penumbral widths W penumbra of the moving sphere along the longitudinal axis

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

Methods

W penumbra

 

3 cm/60 s

3 cm/30 s

FDK (360°)

22.0 mm

23.7 mm

TVCS (200°)

12.1 mm

21.4 mm

PICCS (90°)

11.5 mm

20.8 mm

TCGM (90°)

9.3 mm

17.5 mm

  1. W penumbra was defined as a width from 10 to 90% of the voxel value profile on the central axis, in the image of the fifth phase
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Radiation Oncology

ISSN: 1748-717X

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