Mesh Simplification for 3D Models with Feature-Preserving
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    Abstract:

    This paper analyzes current mesh simplification methods, and proposes a algorithm based on the quadric error metric (QEM) for feature preserving. It adopts a Half-edge collapse method for mesh simplificationand modifies QEM to remove the discontinuities of appearance attributes. By analyzing the relationships betweenvertices and the discrete appearance seam, a new formula is obtained which enables the edge contraction topostpone the appearance; meanwhile a proper replacer is selected for the wedge in the triangle that has beenaffected by half-edge collapsing operation to avoid material distortion. Experimental results demonstrate that author’s algorithm achieves a similar high efficiency as QEM with desirable geometry and feature-preserving.

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卢威,曾定浩,,潘金贵.支持外观属性保持的三维网格模型简化.软件学报,2009,20(3):713-723

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History
  • Received:October 19,2007
  • Revised:March 14,2008
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