Skip to main content

Table 2 Scanner resolutions. Effective scanner resolution (ESR) and Gaussian filters are used for image smoothing to achieve different final resolutions

From: Effect of the identification group size and image resolution on the diagnostic performance of metabolic Alzheimer’s disease-related pattern

Scanner

ESR

FWHM of Gaussian filter used for smoothing

Final resolution 6 mm

Final resolution 8 mm

Final resolution 10 mm

Final resolution 12 mm

Final resolution 15 mm

Final resolution 20 mm

HRRT (Siemens)

4.5/4.5

3.3/3.4

6.0/6.0

8.7/8.7

10.9/10.9

14.1/14.2

19.4/19.4

Biograph HiRes/mCT /1093/1094/1080 (Siemens)

5.5/5.5

2.3/2.4

5.5/5.5

8.3/8.4

10.6/10.7

13.9/13.9

19.2/19.2

Discovery 600, 690, RX, STE (General Electric)

5.5/6.0

2.3/0.7

5.5/5.0

8.3/8.0

10.6/10.4

13.9/13.8

19.2/19.1

HR + (Siemens)

6.0/6.0

0.3/0.7

5.0/5.0

8.0/8.0

10.4/10.4

13.8/13.8

19.1/19.1

  1. All values in the table are full width at half maximum, presented for in-plane/axial and are given in mm