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EJNMMI Physics

Table 5 Comparison of the intrinsic FWHM obtained before reconstruction for the (0,1,0) cm central position, with FWHM obtained after reconstruction

From: Monte Carlo simulation of digital photon counting PET

Position (0,1,0) cm

Sim. FWHM (mm)

Exp. FWHM (mm)

Abs. diff. (mm)

 

X

Y

Z

X

Y

Z

X

Y

Z

Intrinsic

1.73

1.48

1.91

1.93

1.71

2.37

− 0.20

− 0.23

− 0.46

4 mm PSF

1.95

1.92

1.88

1.84

1.57

1.67

0.10

0.35

0.22

4 mm Sieve

4.37

4.37

4.31

4.45

4.46

4.33

− 0.08

− 0.09

− 0.02

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