Solid-Texture Synthesis: A Survey
Solid-Texture Synthesis: A Survey
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DOI：
10.1109/mcg.2009.153
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发表时间：
2010-07
影响因子：
1.8
通讯作者：
N. Pietroni;Paolo Cignoni;M. Otaduy;Roberto Scopigno
中科院分区：
文献类型：
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作者：
N. Pietroni;Paolo Cignoni;M. Otaduy;Roberto Scopigno
人们普遍认为，纹理可以简单而有效地建模3D对象分离的外观属性从他们的几何描述。计算机图形学已经大量使用纹理来模拟对象的外部结构，通过照片或程序模型。传统的2D纹理通常对物体外表面的信息进行编码，而研究人员提出了提供体积信息的扩展，允许对物体的内部外观进行编码。也就是说，这些扩展为预定义的体积域VCR3中的每个点提供外观属性。这种纹理通常称为实体纹理。本文介绍了合成和表示这些纹理的不同算法。表面纹理通常依赖于将纹理属性与3D对象相关联的平面参数化。平面参数化将对象表面上的每个3D点映射到编码纹理属性的2D域。这种3D到2D的映射可能会引入失真，这通常取决于对象的拓扑和形状的复杂性。找到一个好的平面参数化，最大限度地减少这种失真仍然是一个挑战。
It's common belief that textures can simply and efficiently model 3D objects by separating appearance properties from their geometric description. Computer graphics has profusely used textures to model objects' external structure, through either photographs or procedural models. Whereas traditional 2D textures usually encode information about an object's external surface, researchers have proposed extensions for providing volumetric information, allowing encoding of objects' internal appearance. That is, these extensions provide appearance properties for each point in a predefined volumetric domain V C R3. Such textures are usually called solid textures. This survey illustrates the different algorithms for synthesizing and representing these textures.Surface texturing usually relies on a planar parameterization for associating texture attributes to a 3D object. A planar parameterization maps each 3D point on an object's surface to a 2D domain, which encodes texture attributes. This 3D-to-2D mapping might introduce a distortion, which generally depends on the complexity of the object's topology and shape. Finding a good planar parameterization-one that minimizes this distortion remains a challenge.