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Journal article

An algorithm of NURBS surface fitting for reverse engineering

Dan J, Lancheng W ...see all

International Journal of Advanced Manufacturing Technology, vol. 31, issue 1-2 (2006) pp. 92-97

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Abstract

Reverse engineering is an approach for construct- ing a CAD model from a physical part through dimensional measurement and a surface model. Different from conven- tional methods, this paper develops a new algorithm by which a desired fitted surface is obtained with less com- putation. Let selectedmĂ—nmeasured points be control points to construct B-spline or NURBS surface, then modify this constructed surface by using all themeasured points and least squaresminimization.Anewalgorithmfor parameterization for measured points is also presented in this paper. The ef- fectiveness and efficiency of these proposed algorithms are demonstrated.

Author-supplied keywords

  • B-spline
  • CAD
  • Least square
  • NURBS
  • Reverse engineering

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Authors

  • Jiang Dan

  • Wang Lancheng

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