Geometric Degree Reduction of Wang–Ball Curves

Figure 1

Example of degree reduction: (a) the original curve and -degree-reduced curve; (b) error function for -degree reduction; (c) the original curve and -degree-reduced curve; (d) error function for -degree reduction; (e) the original curve and -degree-reduced curve; (f) error function for -degree reduction; (g) the original curve and -degree-reduced curve; (h) error function for -degree reduction.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)