Removing tetrahedra from manifold tetrahedralisation: application to real-time surgical simulation.

Forest C; Delingette H; Ayache N

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Removing tetrahedra from manifold tetrahedralisation: application to real-time surgical simulation.

机译：从歧管四面体化移除四面体：应用于实时外科手术模拟。

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This paper proposes an efficient method for removing tetrahedra from a tetrahedral mesh while keeping its manifold property. We first define precisely the notion of manifold tetrahedral mesh and stress its relevance in the context of real-time surgery simulation. We then provide a method for removing a tetrahedron that complies with the manifold definition. This removal may require in some cases the removal of neighboring tetrahedra. After providing an exhaustive description of the tetrahedron removal algorithm, its efficiency is evaluated for different mesh configurations. This algorithm is currently used in the context of real-time surgery simulation where the action of an ultrasonic lancet can be simulated by the removal of small set of tetrahedra from a tetrahedralisation.

机译：本文提出了一种从四面体网格中去除四面体的有效方法，同时保持其多面性。我们首先精确定义歧管四面体网格的概念，并在实时手术模拟的背景下强调其相关性。然后，我们提供一种删除符合流形定义的四面体的方法。在某些情况下，这种去除可能需要去除相邻的四面体。在提供了对四面体去除算法的详尽描述之后，针对不同的网格配置评估了其效率。该算法当前用于实时外科手术仿真中，其中可以通过从四面体化中移除少量的四面体来模拟超声波刺血针的作用。

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《Medical image analysis》 |2005年第2期|共10页
作者
Forest C; Delingette H; Ayache N;
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正文语种 eng
中图分类临床医学;
关键词
Algorithms; Computer Graphics; Image Enhancement; Image Interpretation; Computer-Assisted; 算法; 计算机制图; 图像增强; 图像解释; 计算机辅助; 肝; 模型; 生物学; 远程医学;

机译：Algorithms;Computer Graphics;Image Enhancement;Image Interpretation;Computer-Assisted;算法;计算机制图;图像增强;图像解释;计算机辅助;肝;模型;生物学;远程医学;

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Removing tetrahedra from manifold tetrahedralisation: application to real-time surgical simulation.

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