A sweep-surface fitting algorithm for reverse engineering

Wen Der Ueng, Jiing Yih Lai

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


The issue of surface reconstruction from three-dimensional measured data has been receiving extensive attention recently. In order to reflect the original shape design of an existing part geometry, it needs different surface-fitting algorithms to reconstruct appropriate surface models. The objective of this work is to establish a sweep-surface fitting strategy for three-dimensional measured data. The sweep surface was formed by traversing cross-section curves along a profile curve. A nonlinear parameter optimization process was employed to evaluate the unknown parameters of the sweep-surface model. The feasibility of the proposed method has been verified by computer simulation and experimental results. A comparison study with proposed methods, a B-spline surface fitting and a lofted surface fitting, was also provided.

Original languageEnglish
Pages (from-to)261-273
Number of pages13
JournalComputers in Industry
Issue number3
StatePublished - 1 Apr 1998


  • Least-squares method
  • Reverse engineering
  • Sweep-surface fitting


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