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. Author manuscript; available in PMC: 2018 Apr 1.
Published in final edited form as: J Stroke Cerebrovasc Dis. 2017 Jan 4;26(4):779–786. doi: 10.1016/j.jstrokecerebrovasdis.2016.10.017

Figure 3.

Figure 3

Sequential steps of the segmentation process to quantitate WMH. A, B: segmented images representing two tissue classes of WM; C: total WM (A+B); D: WM mask from thresholding of D; E: FLAIR image; F: FLAIR image masked by D (FLAIR WM voxels); G: histogram of E showing Gaussian-fit and threshold of 3.0 S.D. (arowhead); H: WMH image obtained by applying threshold to F.