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Jung, Mooyoung
Ulsan National Institute of Science and Technology
Research Interests
  • Manufacturing Systems Engineering
  • Energy Management System - Applications of Fractal Concept

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B-spline surface approximation to cross-sections using distance maps

Cited 12 times inthomson ciCited 22 times inthomson ci
Title
B-spline surface approximation to cross-sections using distance maps
Author
Jeong, JKim, KPark, HCho, HJung, Mooyoung
Keywords
B-spline; cross-section; distance map; surface approximation; surface skinning
Issue Date
1999
Publisher
SPRINGER LONDON LTD
Citation
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, v.15, no.12, pp.876 - 885
Abstract
The shape reconstruction of a 3D object from its 2D cross-sections is important for reproducing it by NC machining or rapid prototyping. In this paper, we present method of surface approximation to cross-sections with multiple branching problems. In this method, we first decompose each multiple branching problem into a set of single branching problems by providing a set of intermediate contours using distance maps. For each single branching region, a procedure then performs the skinning of contour curves represented by cubic B-spline curves on a common knot vector, each of which is fitted to its contour points within a given accuracy. In order to acquire a more compact representation for the surface, the method includes an algorithm for reducing the number of knots in the common knot vector. The approximation surface to the cross-sections is represented by a set of by cubic B-spline surfaces. This method provides a smooth surface model, yet realizes efficient data reduction.
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DOI
10.1007/s001700050145
ISSN
0268-3768
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SBA_Journal Papers
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