Skip to main content

Table 2 Parameters of CT measurements

From: Direct comparison of MRI and X-ray CT technologies for 3D imaging of root systems in soil: potential and challenges for root trait quantification

 

I.D. 34

I.D. 56

I.D. 81

Tube voltage [kV]

220

220

160

Tube current [μA]

180

180

160

Power [W]

39.6

39.6

25.6

Exposure time [ms]

499

499

999

Filter

Cu 1 mm

Cu 1 mm

none

Number of projections

1200

1200

1200

Voxel size [μm]

28

34

49.5

FOV in horizontal plane [mm]

33

58

82

FOV vertical [mm]

74

104

75

Measurement time [min]

40

60

20*

  1. *For the upper 75 mm that could be segmented as shown in Figure 3b. Total scan time for the whole pot ca. 1.5 h.
  2. I.D. pot inner diameter [mm], FOV field of view, Voxel were isotropic with the same size in all three dimensions.
Back to article page

Plant Methods

ISSN: 1746-4811