Table 3 Imaging conditions for each simulation experiment.

From: Crystal optics simulations for delineation of the three-dimensional cellular nuclear distribution using analyzer-based refraction-contrast computed tomography

Experiment

Evaluation of the spatial resolution

Evaluation of the electron density resolution

Cell nucleus delineation

X-ray energy (keV)

20

X-ray photons (photons/mm2/s)

Not considered

108

Exposure time (s)

Not considered

4

Projection views

720

450

1.5 times the number of pixels of the detector

CT algorithm

Filtered backprojection method with signum and Shepp–Logan filters

Pixel size (µm)

0.5

2

1, 2, 3, 6, 15

Noise

Not considered

Quantum noise