. 2021 Jun 23;22(7):286–296. doi: 10.1002/acm2.13318

Table 5.

Spatial frequency at 50% and 10% of MTF at different radiation doses.

Radiation dose	MTF	Reconstruction algorithm
100%	50%	0.47 (0.002)	0.37 (0.001)	0.56 (0.003)	0.62 (0.004)
10%	0.97 (0.014)	0.72 (0.005)	1.05 (0.025)	1.00 (0.021)
50%	50%	0.46 (0.003)	0.34 (0.002)	0.53 (0.002)	0.59 (0.003)
10%	1.01 (0.015)	0.65 (0.001)	1.05 (0.019)	0.98 (0.013)
25%	50%	0.49 (0.001)	0.31 (0.001)	0.51 (0.002)	0.55 (0.002)
10%	1.02 (0.014)	0.59 (0.002)	1.02 (0.013)	0.99 (0.012)
Cycles/mm (SE)

Radiation dose

MTF

Reconstruction algorithm

FBP

HIR

MBIR

DLR

100%

50%

0.47

(0.002)

0.37

(0.001)

0.56

(0.003)

0.62

(0.004)

10%

0.97

(0.014)

0.72

(0.005)

1.05

(0.025)

1.00

(0.021)

50%

0.46

(0.003)

0.34

(0.002)

0.53

(0.002)

0.59

(0.003)

10%

1.01

(0.015)

0.65

(0.001)

1.05

(0.019)

0.98

(0.013)

25%

50%

0.49

(0.001)

0.31

(0.001)

0.51

(0.002)

0.55

(0.002)

10%

1.02

(0.014)

0.59

(0.002)

1.02

(0.013)

0.99

(0.012)

Cycles/mm (SE)

Abbreviations: DLR, deep learning‐based reconstruction; FBP, filtered back projection; HIR, hybrid iterative reconstruction; MBIR, model‐based iterative reconstruction; MTF, modulation transfer function; SE, standard error.