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Table 1 Average voxel %CRC ± STD over 20 voxels within the 10 mm sphere across various count levels using the proposed voxel search for different reconstructions

From: HYPR4D kernel method on TOF PET data with validations including image-derived input function

Recon method\Avg. counts in TOF bin over angular views within target structure

2

3

4

5

6

7

8

PSF-TOFOSEM

41 ± 77

111 ± 27

97 ± 30

98 ± 33

113 ± 42

98 ± 28

98 ± 22

Filtered PSF-TOFOSEM

47 ± 31

90 ± 15

78 ± 10

75 ± 11

93 ± 17

80 ± 11

77 ± 10

PSF-TOFBSREM beta150

58 ± 66

112 ± 22

97 ± 19

93 ± 14

109 ± 23

97 ± 16

93 ± 13

PSF-TOFBSREM beta350

52 ± 29

89 ± 15

77 ± 11

75 ± 9

89 ± 15

80 ± 10

75 ± 9

PSF-HYPR4D-K-TOFOSEM

72 ± 35

105 ± 16

98 ± 16

100 ± 16

103 ± 18

100 ± 18

98 ± 17

  1. The bold values show the best performance across count levels