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Planar Typical Bézier Curves with a Single Curvature Extremum

Author

Listed:
  • Chuan He

    (School of Mechanical Engineering & Automation, Beihang University, Beijing 100191, China
    State Key Laboratory of Lunar and Planetary Sciences, Macau University of Science and Technology, Macau 999078, China
    State Key Laboratory of Virtual Reality Technology & Systems, Beihang University, Beijing 100191, China)

  • Gang Zhao

    (School of Mechanical Engineering & Automation, Beihang University, Beijing 100191, China
    State Key Laboratory of Virtual Reality Technology & Systems, Beihang University, Beijing 100191, China)

  • Aizeng Wang

    (School of Mechanical Engineering & Automation, Beihang University, Beijing 100191, China
    State Key Laboratory of Virtual Reality Technology & Systems, Beihang University, Beijing 100191, China)

  • Shaolin Li

    (State Key Laboratory of Lunar and Planetary Sciences, Macau University of Science and Technology, Macau 999078, China)

  • Zhanchuan Cai

    (Faculty of Information Technology, Macau University of Science and Technology, Macau 999078, China)

Abstract

This paper focuses on planar typical Bézier curves with a single curvature extremum, which is a supplement of typical curves with monotonic curvature by Y. Mineur et al. We have proven that the typical curve has at most one curvature extremum and given a fast calculation formula of the parameter at the curvature extremum. This will allow designers to execute a subdivision at the curvature extremum to obtain two pieces of typical curves with monotonic curvature. In addition, we put forward a sufficient condition for typical curve solutions under arbitrary degrees for the G1 interpolation problem. Some numerical experiments are provided to demonstrate the effectiveness and efficiency of our approach.

Suggested Citation

  • Chuan He & Gang Zhao & Aizeng Wang & Shaolin Li & Zhanchuan Cai, 2021. "Planar Typical Bézier Curves with a Single Curvature Extremum," Mathematics, MDPI, vol. 9(17), pages 1-16, September.
  • Handle: RePEc:gam:jmathe:v:9:y:2021:i:17:p:2148-:d:628590
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    More about this item

    Keywords

    typical Bézier curves; monotonic curvature; curvature extremum; G1 interpolation;
    All these keywords.

    JEL classification:

    • G1 - Financial Economics - - General Financial Markets

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