Level Set Based Hippocampus Segmentation in MR Images with Improved Initialization Using Region Growing

Figure 3

Initialization procedure of the level set function using region growing. (a) Original images of hippocampus with initial seed points (blue); (b) slice images of hippocampus; (c) homogeneous region as a result of region growing (red); (d) perimeter of the homogeneous region (red); (e) convex polygon fitting of the perimeter, used as zero level set (red).

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