Table 2 Results for Monte Carlo-simulated SPECT images at 336 h p.i. in terms of volume error, DSC and activity-concentration error

OM

2.75

−23±15 (27)

119±43 (126)

0.73 (0.65, 0.76)

0.44 (0.40, 0.50)

24±21 (31)

−52±10 (53)

−5±22 (22)

3.39

−38±11 (39)

54±23 (59)

0.69 (0.59, 0.74)

0.56 (0.49, 0.60)

36±19 (41)

−36±8 (36)

9±14 (16)

5.30

−33±7 (34)

37±17 (40)

0.72 (0.70, 0.76)

0.57 (0.53, 0.61)

25±10 (27)

−35±5 (35)

4±11 (11)

8.89

−38±10 (39)

−6±9 (10)

0.73 (0.64, 0.77)

0.52 (0.48, 0.57)

27±15 (31)

−29±6 (30)

39±10 (40)

19.2

−27±5 (27)

−12±5 (13)

0.81 (0.78, 0.84)

0.67 (0.65, 0.70)

21±7 (22)

−10±5 (11)

30±6 (31)

40.0

−20±2 (20)

−29±6 (30)

0.86 (0.84, 0.87)

0.68 (0.66, 0.72)

15±2 (15)

−1±3 (3)

38±7 (39)

43.1

−20±2 (20)

−24±4 (24)

0.87 (0.86, 0.88)

0.74 (0.72, 0.77)

13±2 (13)

1±2 (3)

32±4 (32)

45.5

−26±2 (26)

−17±3 (17)

0.83 (0.81, 0.84)

0.71 (0.69, 0.73)

18±2 (18)

−8±2 (8)

16±4 (17)

FS

2.75

−20±6 (21)

35±25 (43)

0.74 (0.71, 0.76)

0.73 (0.68, 0.76)

16±10 (19)

−16±13 (21)

8±19 (20)

3.39

−31±7 (32)

25±26 (36)

0.69 (0.65, 0.74)

0.72 (0.67, 0.75)

24±10 (26)

−14±13 (19)

8±16 (18)

5.30

−25±6 (25)

33±17 (37)

0.74 (0.72, 0.76)

0.73 (0.70, 0.75)

14±6 (15)

−21±7 (22)

−10±8 (13)

8.89

−50±9 (50)

2±14 (14)

0.65 (0.57, 0.73)

0.77 (0.71, 0.81)

39±16 (42)

−10±9 (13)

1±11 (11)

19.2

−39±6 (40)

−13±9 (16)

0.74 (0.68, 0.80)

0.84 (0.80, 0.86)

31±8 (32)

7±7 (10)

15±8 (17)

40.0

−21±2 (21)

−8±7 (11)

0.86 (0.84, 0.87)

0.88 (0.82, 0.89)

14±2 (14)

4±5 (6)

3±5 (6)

43.1

−23±2 (23)

−9±4 (10)

0.86 (0.84, 0.87)

0.89 (0.88, 0.90)

14±2 (14)

4±3 (5)

9±3 (9)

45.5

−34±2 (34)

−9±7 (11)

0.78 (0.76, 0.81)

0.86 (0.84, 0.87)

24±3 (24)

2±5 (5)

−3±4 (5)