Accurate B-spline free-form deformation of polygonal objects

  • Authors:
  • Jieqing Feng;Pheng-Ann Heng;Tien-Tsin Wong

  • Affiliations:
  • State Key Laboratory of CAD & CG, Zhejiung University, Hangzhou, 310027, P.R. China;Department of Computer Science and Engineering, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong;Department of Computer Science, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong

  • Venue:
  • Journal of Graphics Tools
  • Year:
  • 1998

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Abstract

Free-form deformation is an important geometric shape modification method in computer animation and geometric modeling. We explore it by means of functional composition via shifting operators. Our method takes a polygonal model as input but yields a curved model described by triangular Bézier patches as output. The proposed method solves the sampling problem of free-form deformation.