Fig. 1
From: Assessment of population-based input functions for Patlak imaging of whole body dynamic 18F-FDG PET

a Typical example of IDIF (black curve), AIF (red), and difference (IDIF − AIF; blue). b Patlak plots using IDIF (black) and AIF (red); solid lines show the portion of the plot used to estimate Ki. In this case, the bias of AUC was 0.3% and the bias of Ki was − 16%