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- Cheng Min, Pan Yongjuan
- 2012

The Pythagorean hodograph (PH) curves are polynomial parametric curves whose hodograph (derivative) components satisfy the Pythagorean condition. Lots of research works had been done with PH curves relevant topics due that PH curves own many remarkable properties, e.g., its offset curves have exact rational representations. In this paper, ball curves with… (More)

- Cheng Min, Wu Xuejun, Pan Yongjuan
- 2009 International Forum on Computer Science…
- 2009

The problem of approximating rational curves by polynomial curves is studied in this paper. A simple method of approximation, which uses the control points of the degree-elevated curve to approximate the original rational curve, is introduced at first. Meanwhile as to achieve better efficiency, the idea of re-parameterization of rational Bézier curves… (More)

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