Table 1 Contrasts and contrast-to-noise ratios (CNR) of different inserts measured from the Contrast phantom scanned by the N1 ms-CBCT and ms-CBCT under the same exposure conditions.

From: Volumetric computed tomography with carbon nanotube X-ray source array for improved image quality and accuracy

 

N1 ms-CBCT

ms-CBCT

Improvement

Inserts

contrast

CNR

contrast

CNR

contrast

CNR

Arcylic

72.1 HU

1.52

89.9 HU

2.34

24.6%

53.4%

LDPE

100.1 HU

2.08

126.5 HU

2.88

26.4%

38.1%

Air

825.8 HU

17.70

967.7 HU

24.10

17.2%

36.2%

Ceramic

1542.5 HU

28.35

2094.3 HU

44.25

35.8%

56.1%

  1. ms-CBCT multisource cone beam computed tomography.
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