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EJNMMI Physics

Table 1 Spatial resolution results of the SAFIR prototype PET insert. All values are in mm

From: NEMA characterization of the SAFIR prototype PET insert

 

FBP3DRP

MLEM

 

Radial

Tangential

Axial

Radial

Tangential

Axial

RO\(^{*}\)

HM\(^{*}\)

TM\(^{*}\)

HM

TM

HM

TM

HM

TM

HM

TM

HM

TM

At the center of axial FOV

0

1.28

2.69

2.38

4.12

2.63

4.59

1.26

2.66

0.85

3.03

1.13

2.04

5

2.82

5.61

2.04

3.82

2.83

5.15

1.08

2.51

1.19

2.39

1.23

2.56

10

3.25

6.99

2.26

4.42

2.85

5.21

1.74

4.49

0.94

1.88

1.24

2.63

15

3.37

11.45

2.91

6.13

2.87

5.28

0.78

4.13

1.16

2.30

1.15

2.07

20

2.91

7.07

3.07

5.52

2.89

5.32

1.94

4.10

1.57

3.10

1.18

2.12

25

3.42

12.75

3.11

5.9

2.89

5.33

1.28

3.50

0.95

3.54

1.19

2.28

30

3.42

11.46

2.82

6.36

2.91

5.37

1.89

5.21

1.35

3.28

1.18

2.13

35

3.75

11.68

3.02

6.98

2.91

5.38

2.36

6.28

1.74

3.67

1.17

2.11

40

4.33

11.55

3.15

8.99

2.96

5.49

3.87

6.82

1.97

3.53

1.18

2.13

45

4.68

12.06

3.22

8.46

2.91

5.29

3.49

7.14

1.66

3.55

1.29

2.79

At 1/4 of the axial FOV

0

1.88

3.54

2.01

3.62

2.86

5.19

1.10

2.29

1.06

2.35

1.14

2.05

5

2.88

5.78

2.21

4.17

2.93

5.27

0.70

1.56

1.17

2.05

1.16

2.09

10

3.63

7.28

2.37

4.64

2.94

5.28

0.88

4.45

0.94

1.92

1.15

2.06

15

3.3

7.62

2.97

6.16

2.96

5.31

1.57

4.26

1.49

2.96

1.16

2.08

20

3.16

13.6

3.06

5.51

2.96

5.33

2.23

4.45

1.73

3.53

1.18

2.28

25

3.65

13.81

2.95

5.86

2.98

5.35

1.05

3.65

0.73

2.64

1.19

2.34

30

3.94

14.14

2.71

6.05

2.98

5.35

1.89

5.15

1.25

3.30

1.33

2.85

35

4.05

13.74

2.69

6.3

2.99

5.35

2.59

6.38

1.61

3.04

1.26

2.70

40

4.64

12.47

2.99

7.36

2.99

5.36

3.29

6.58

1.52

3.35

1.26

2.69

45

4.78

13.02

2.96

7.48

3.02

5.42

3.14

6.85

1.41

3.04

1.28

2.77

  1. *RO = Radial Offset; HM = FWHM; TM = FWTM
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