Abstract and Applied Analysis / 2009 / Article / Fig 4

Research Article

A New 4-Point Quaternary Approximating Subdivision Scheme

Figure 4

It shows the comparison at 1st, 2nd, and 3rd level of binary, ternary, and quaternary 4-point approximating schemes. Dotted lines indicate initial control polygons, whereas dashed, thin solid, and bold solid continuous curves are generated by binary, ternary, and quaternary schemes, respectively.
(a) Level 1
(b) Level 2
(c) Level 3

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