Fig. 3From: Image-derived input functions from dynamic 15O–water PET scans using penalised reconstructionMean percentage bias of AUC of peaks (A) and tails (B) and the bias of peak-to-tail ratios (C) and GM CBF (D) for a range of Gaussian kernels and threshold levels using BSREM reconstruction. AUC area under the curve, GM grey matter, CBF cerebral blood flowBack to article page