Table 3 Imaging conditions for each simulation experiment.
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 |