LSM-SEC: Tongue Segmentation by the Level Set Model with Symmetry and Edge Constraints

Figure 4

The behavior of level set evolution in the LSM-SEC: (a) the contour of the level set after 10 iterations, (b) the level set function after 10 iterations, (c) the contour of the level set after 80 iterations, (d) the level set function after 80 iterations, (e) the contour of the level set after 300 iterations, (f) the level set function after 300 iterations, (g) the contour of the level set after 600 iterations, and (h) the level set function after 600 iterations.

(a)

(b)

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(d)

(e)

(f)

(g)

(h)