Table 2 Estimated image quality parameters for the different phase-contrast reconstructions.

From: High-resolution X-ray phase-contrast tomography of human placenta with different wavefront markers

Method

Resolution (\(\upmu \hbox {m}\))

\(\sigma _{\alpha _x}\) (nrad)

\(\sigma _{\alpha _y}\)(nrad)

\(\sigma _{\rho _e}\)(#electrons/Å3)

CNR

NIQE

MBI (TAI)

8.2

331.2

306.4

0.00152

\(6.3\pm 1.3\)

20.41

MBI (6x1000)

7.7

428.2

369.0

0.00206

\(5.8 \pm 1.1\)

20.44

PBI

5.1

n.a.

n.a.

0.00890

\(3.0 \pm 0.7\)

20.59