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Retrospective Study
Copyright: ©Author(s) 2026.
World J Radiol. May 28, 2026; 18(5): 119048
Published online May 28, 2026. doi: 10.4329/wjr.v18.i5.119048
Figure 4
Figure 4 Relative improvement in image quality of photon-counting computed tomography compared with energy-integrating detector computed tomography and overall radar plot. A: Median-based relative improvement of photon-counting computed tomography over energy-integrating detector computed tomography across objective image quality metrics; B: Radar plot of overall image quality metrics based on normalized median values. EID-CT: Energy-integrating detector computed tomography; PCCT: Photon-counting computed tomography; SNR: Signal-to-noise ratio; CNR: Contrast-to-noise ratio; EII: Excellent image index; CDTI: Computed tomography dose index; NR: Noise ratio.


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