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题名: Automatic accurate surface reconstruction of a class of wrap-around models
作者: Zhao JB(赵吉宾) ; Xia RB(夏仁波) ; Liu WJ(刘伟军)
作者部门: 机器人学研究室
关键词: point clouds ; boundary extraction ; surface reconstruction
刊名: International Journal of Materials and Product Technology
ISSN号: 0268-1900
出版日期: 2012
卷号: 45, 期号:1-4, 页码:203-216
收录类别: SCI ; EI
产权排序: 1
摘要: For a wrap-around surface, many issues, such as difficulty in parameterisation of data points, incapability of automatic modelling, and high-accuracy surface reconstruction, need to be resolved. Therefore, an automatic accurate non-uniform rational B-spline (NURBS) surface reconstruction method is proposed in the present paper. First, after a method that recognises the central axis from data points is given, the data points in physical space are projected to a plane domain. Consequently, the boundary curve is extracted. Second, by local surface fitting of the data points on sector-distributed cross-sectional plane, the unorganised scatter points become ordered array points. A base surface is created using skinning technology. Finally, using robust arithmetic of the multivariate Bernstein-form polynomials, an algorithm for calculating the closest point is proposed. Using base-surface parameterisation, an accurate surface fitting is finally implemented based on least square iterative procedure. Examples verify the feasibility and validity of the proposed surface reconstruction method.
WOS记录号: WOS:000315424500016
WOS标题词: Science & Technology ; Technology
类目[WOS]: Materials Science, Multidisciplinary
关键词[WOS]: PARAMETERIZATION ; POINTS
研究领域[WOS]: Materials Science
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内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/10332
Appears in Collections:机器人学研究室_期刊论文

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Recommended Citation:
赵吉宾; 夏仁波; 刘伟军.Automatic accurate surface reconstruction of a class of wrap-around models,International Journal of Materials and Product Technology,2012,45(1-4):203-216
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