[Retracted] Improved Newton Iterative Algorithm for Fractal Art Graphic Design

Figure 7

The Newton iteration graph after the expansion operation of the diamond structure element in different units. (a) Original image. (b) 1-unit diamond structural element expansion. (c) 2-unit diamond structural element expansion. (d) 3-unit diamond structural element expansion.

(a)

(b)

(c)

(d)