Simplification and repair of polygonal models using volumetric techniques
Simplification and repair of polygonal models using volumetric techniques
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DOI：
10.1109/tvcg.2003.1196006
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发表时间：
2003-04-01
影响因子：
5.2
通讯作者：
Turk, G
中科院分区：
文献类型：
--
作者：
Nooruddin, FS;Turk, G
操作多边形模型的两个重要工具是简化和修复，我们提出了基于体素的方法来执行这两项任务。我们描述了一种方法，用于将多边形模型转换为体积表示的方式，处理模型与孔，双壁，和相交的部分。这使我们能够执行多边形模型修复简单地转换模型和体积域。我们还描述了一个新的拓扑改变简化方法，是基于三维形态算子。视觉上不重要的特征，如管和孔，可以通过开和闭形态算子从模型中消除。我们的简化方法接受多边形模型作为输入，扫描转换这些创建一个体积的描述，执行拓扑修改，然后将结果转换回多边形。然后，我们应用拓扑保持多边形简化技术，以产生一个最终的模型。我们的简化方法产生的结果是无处不在的流形。
Two important tools for manipulating polygonal models are simplification and repair and we present voxel-based methods for performing both of these tasks. We describe a method for converting polygonal models to a volumetric representation in a way that handles models with holes, double walls, and intersecting parts. This allows us to perform polygon model repair simply by converting a model to and from the volumetric domain. We also describe a new topology-altering simplification method that is based on 3D morphological operators. Visually unimportant features such as tubes and holes may be eliminated from a model by the open and close morphological operators. Our simplification approach accepts polygonal models as input, scan converts these to create a volumetric description, performs topology modification, and then converts the results back to polygons. We then apply a topology-preserving polygon simplification technique to produce a final model. Our simplification method produces results that are everywhere manifold.