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SURFACE ANIMATIONS FROM TIME-VARYING VOLUME DATA SETS

机译:随时间变化的数据集的表面动画

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This paper describes the generation of surface animations from volumetric time-varying biologic tissue data. The volume data represents marker responses acquired using a confocal microscope. In contrast to well known surface-from-points techniques the markers do not represent a sampled surface, but the marker concentration (reflected as high luminance values) sparsely defines surface like strucures. These structures represent features that many researchers are interested in. Since the raw data does not lend very well for analysis it is advantageous to extract these features in a preprocessing step and to present them as time-varying geometric objects. To reach this goal two main problems are solved: Extraction of surfaces from the volume data set and the fusion of these surfaces into an animation by means of a (global) re-parametrization. We show that the results of this work are suited for spatial as well as temporal analysis.
机译:本文介绍了根据体积随时间变化的生物组织数据生成表面动画的过程。体数据代表使用共聚焦显微镜获得的标记反应。与众所周知的基于表面的技术不同,标记并不代表采样的表面,而是标记浓度(反映为高亮度值)稀疏地定义了表面(如结构)。这些结构代表了许多研究人员感兴趣的特征。由于原始数据不能很好地用于分析,因此在预处理步骤中提取这些特征并将它们呈现为随时间变化的几何对象是有利的。为了实现此目标,解决了两个主要问题:从体积数据集中提取表面,以及通过(全局)重新参数化将这些表面融合为动画。我们表明,这项工作的结果适用于空间以及时间分析。

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