Segmentation of Intensity Inhomogeneous Brain MR Images Using Active Contours

Figure 12

Visual based segmentation accuracy analysis of WM and GM regions. (a) Initial contour; (b) final contour; (c) WM region of final contour which is phase at 𝜙>0; (d) hand drawn brain mask; (e) WM region after brain mask scaling; (f) WM region ground truth; (g) GM region of final contour which is phase at 𝜙<0; (h) hand drawn brain mask; (i) GM region after brain mask scaling; (j) GM region ground truth.

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