Head CT Image Segmentation and Three-Dimensional Reconstruction Technology Based on Human Anatomy

Figure 9

Comparison of surface fitting under different isosurfaces. (a) Draw the result before fitting when the threshold is small; (b) draw the result after fitting when the threshold is small; (c) draw the results before fitting when the threshold is large; (d) draw the result after fitting when the threshold is large.

(a)

(b)

(c)

(d)