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Table 1 FWHM for reconstructed spatial resolution

From: The effect of Q.Clear reconstruction on quantification and spatial resolution of 18F-FDG PET in simultaneous PET/MR

  

OSEM + TOF

B100

B200

B300

B400

B500

B800

B1100

B1400

Resolution direction

Radial offset

         

Radial

1 cm

4.39

1.69

1.72

1.76

1.80

1.84

2.00

2.18

2.36

 

10 cm

4.39

1.78

1.84

1.91

1.98

2.06

2.30

2.50

2.65

 

20 cm

5.06

2.99

3.08

3.17

3.33

3.39

3.59

3.74

3.86

Tangential

1 cm

4.35

1.57

1.61

1.65

1.70

1.74

1.91

2.10

2.26

 

10 cm

4.35

2.19

2.24

2.28

2.33

2.37

2.48

2.58

2.67

 

20 cm

4.83

2.86

3.03

3.14

3.22

3.27

3.40

3.51

3.61

Axial

1 cm

3.88

3.91

3.93

3.95

3.96

3.98

4.04

4.13

4.23

 

10 cm

3.88

3.34

3.38

3.42

3.46

3.49

3.60

3.70

3.82

 

20 cm

4.82

4.81

4.85

4.89

4.91

4.94

5.00

5.06

5.12

  1. FWHM for the capillary tubes at the direction of radial, tangential, axial at the off-center 1 cm,10 cm and 20 cm. Reconstruction algorithms were presented for OSEM + TOF (3 iterations, 28 subsets, 4.0-mm filter), Q.Clear (β = 100, 200, 300, 400, 800, 1100 and 1400)