Fig. 6
From: Multicolour imaging with spectral photon-counting CT: a phantom study
CNRs of the contrast agents. The graphs represent the CNR values depending on the concentration of the contrast agent and the noise values of the contrast agents measured in their respective contrast material maps within the unmixed (a) and mixed (b) solutions. The dotted lines represent the noise measured in a tube filled with PBS only within the contrast material images. Mean noise is the mean of the noise measured within the two contrast material images of each mixture