Fig. 4

A demonstrative example showing the automatic lesion classification process. FLAIR = axial fluid-attenuated inversion recovery MRI images; r_T1 = registered 2D axial non-enhanced T1-weighted spin-Echo or 3D non-enhanced T1-weighted gradient-Echo MRI images; r_Gd T1 = registered Gadolinium-enhanced T1-weighted spin-Echo MRI images. ROI = Region Of Interest; area used for NAWM mean intensity estimation in red