网格几何的频谱压缩

Zachi Karni, C. Gotsman
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引用次数: 759

摘要

我们展示了如何将光谱方法应用于三维网格数据,以获得紧凑的表示。这是通过将网格几何投影到网格拓扑得出的正交基础上实现的。为了降低复杂性,我们将网格划分为多个相互作用最小的平衡子网格,每个子网格都被独立压缩。我们的方法可用于三维内容的压缩和渐进传输,如果可以忍受轻微的损耗,我们的方法将大大优于使用空间技术的现有方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Spectral compression of mesh geometry
We show how spectral methods may be applied to 3D mesh data to obtain compact representations. This is achieved by projecting the mesh geometry onto an orthonormal basis derived from the mesh topology. To reduce complexity, the mesh is partitioned into a number of balanced submeshes with minimal interaction, each of which are compressed independently. Our methods may be used for compression and progressive transmission of 3D content, and are shown to be vastly superior to existing methods using spatial techniques, if slight loss can be tolerated.
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