B-spline scale-space of spline curves and surfaces

  • Authors:
  • C. Y. Kee;S. L. Lee

  • Affiliations:
  • Temasek Laboratories, National University of Singapore, T-Lab Building, 5A, Engineering Drive 1, #09-02, Singapore 117411, Singapore;Department of Mathematics, S17, National University of Singapore, 10 Kent Ridge Road, Singapore 119076, Singapore

  • Venue:
  • Computer-Aided Design
  • Year:
  • 2012

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Abstract

We present iterative algorithms for B-spline scale-space smoothing of geometric data and recovery of high frequency information in the smoothing process. The scale-space representation is based on a directional smoothing process using B-splines. If the geometric data are approximated or modelled by uniform B-splines or box-splines then the scale-space smoothing produces B-spline curves or box-spline surfaces. The method is applicable to geometric data processing and geometric modelling of free-form curves and surfaces from quadrilateral polyhedra with extraordinary vertices.