Figure 5 | Scientific Reports

Figure 5

From: Imaging characteristics of intravascular spherical contrast agents for grating-based x-ray dark-field imaging – effects of concentrations, spherical sizes and applied voltage

Figure 5

Comparison between all contrast media. (a) The average CNRa of microbubbles and microspheres in ATI, DFI and PCI. (b) The average CNRw of microbubbles and microspheres in ATI, DFI and PCI. The average CNRa value was obtained by averaging the CNRa values of all microbubble concentrations at all voltages for each imaging technique ATI, DFI and PCI, respectively for microspheres, by averaging the CNRa values of all microsphere sizes at all voltages for each imaging technique ATI, DFI and PCI. The same procedure was performed for CNRw.

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