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三角网格上五次齐次代数曲面的重构 被引量:2

Reconstructing Five Degree Algebraic Surface with Homogeneous Coefficient over Triangular Meshes
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摘要 提出三角网格上重建代数曲面的一种方法,利用三次控制曲面来构造五次具有"齐次"形式的GC1光滑曲面,所构造的代数曲面具有2次精度、局部性好、计算量低、自由参数几何意义明确的优点;而且这个五次代数曲面在与一簇特殊的平面相交时,交线为一个四次代数曲线和一条直线,从而化简了这类曲面参数化的计算量. In this paper, we present a new method for constructing five degree algebraic surface in homogeneous form using the cubic control surfaces over triangular meshes. The method has the features of quadratic precision, local shape control, efficient calculation, and straight forward geometric interpretation. Futher, intersections between such degree 5 algebraic surface and a class of proper planes can be a 4 degree algebraic curve and a line, and this simplies the parameterization of the algebraic surface.
出处 《计算机辅助设计与图形学学报》 EI CSCD 北大核心 2008年第9期1186-1190,共5页 Journal of Computer-Aided Design & Computer Graphics
基金 国家自然科学基金(60533060,60573180,60673153) 山东省自然科学基金(Y2007A28,Y2005G09)
关键词 控制曲面 代数曲面 曲面重构 三角网格 control surfaces algebraic surfaces GC^1 continuity triangular patches
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参考文献6

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共引文献11

同被引文献24

  • 1黄童心,王文珂,张慧,宋征轩.基于场分布的平面散乱点集B样条曲线重建算法[J].工程图学学报,2010,31(2):73-83. 被引量:1
  • 2谭昌柏,周来水,安鲁陵,彭雨哟.逆向工程中基于密集数据点的轮廓线重建技术[J].华南理工大学学报(自然科学版),2005,33(5):32-37. 被引量:10
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