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EJNMMI Physics

Table 5 Quality score (QS) by observer and by reconstruction method

From: Impact of the Bayesian penalized likelihood algorithm (Q.Clear®) in comparison with the OSEM reconstruction on low contrast PET hypoxic images

QS

OBS1

OBS2

OBS3

OBS4

OBS5

OBS6

OBS7

OBS8

OBS9

OBS10

OSEM

104

123

101

109

95

106

110

101

110

136

BPL

106

96

96

84

101

116

147

102

120

140

Weighted kappa

0.615

0.176

0.306

0.092

0.409

0.533

0.150

0.353

0.406

0.612

  1. OSEM ordered subset expectation maximization, BPL Bayesian penalized likelihood algorithm
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