Fig. 5From: A visual quality control scale for clinical arterial spin labeling imagesReceiver-operator characteristic (ROC) curves of cerebral blood flow (CBF) cQC, contrast-based quality control (cQC), artifact-based QC (aQC) and total QC. The areas under the curve for these 4 parameters are, respectively: 0.90, 0.89, 0.87, and 0.86Back to article page