simplification error

Experimental results show that the algorithm well balances the simplification efficiency and simplification error.

实验证明,该算法可以实现简化效率和简化误差的双重控制,简化效果好.

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In this paper, we first analyze the methods for three-dimensional terrain simplification and error control in the recent years, and then put forward a simplification method based on vertex importance to build continuous LOD models.

在分析、讨论目前关于3维地形模型简化与误差控制方法的基础上，提出了一种基于点重要度进行连续LOD模型简化的算法。

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Then, we introduce some basic concepts of mesh surface, mesh simplification, and we also present the surface simplification algorithm using quadric error metrics ( QEM) in detail.

然后介绍了网格曲面和网格简化的一些基本概念，并详细介绍了基于二次误差度量的边折叠网格简化算法。

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After analyzing the relationship between terrain data error and its screen error, the error control scheme based on the criteria of symmetrical hausdorff distance for terrain TIN model simplification is presented.

分析了地形数据物方误差与屏幕绘制误差的关系，给出了基于对称Hausdorff距离准则的地形TIN模型简化误差控制方案。

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