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Journal of Zhejiang University SCIENCE A
ISSN 1673-565X(Print), 1862-1775(Online), Monthly
2004 Vol.5 No.3 P.343-349
PH-spline approximation for Bézier curve and rendering offset
Abstract: In this paper, a G1, C1, C2 PH-spline is employed as an approximation for a given Bézier curve within error bound and further renders offset which can be regarded as an approximate offset to the Bézier curve. The errors between PH-spline and the Bézier curve, the offset to PH-spline and the offset to the given Bézier curve are also estimated. A new algorithm for constructing offset to the Bézier curve is proposed.
Key words: PH-spline, Bézier curve, Offset, Approximation, Error
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Open peer comments: Debate/Discuss/Question/Opinion
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DOI:
10.1631/jzus.2004.0343
CLC number:
TP391
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Received:
2003-02-27
Revision Accepted:
2003-07-07
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