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首页> 外文期刊>IEEE transactions on visualization and computer graphics >Realistic rendering and animation of knitwear
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Realistic rendering and animation of knitwear

机译：针织品的逼真渲染和动画

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摘要

We present a framework for knitwear modeling and rendering that accounts for characteristics that are particular to knitted fabrics. We first describe a model for animation that considers knitwear features and their effects on knitwear shape and interaction. With the computed free-form knitwear configurations, we present an efficient procedure for realistic synthesis based on the observation that a single cross section of yarn can serve as the basic primitive for modeling entire articles of knitwear. This primitive, called the lumislice, describes radiance from a yarn cross section that accounts for fine-level interactions among yarn fibers. By representing yarn as a sequence of identical but rotated cross sections, the lumislice can effectively propagate local microstructure over arbitrary stitch patterns and knitwear shapes. The lumislice accommodates varying levels of detail, allows for soft shadow generation, and capitalizes on hardware-assisted transparency blending. These modeling and rendering techniques together form a complete approach for generating realistic knitwear.
机译：我们提供了用于针织服装建模和渲染的框架，该框架考虑了针织面料特有的特征。我们首先描述一个动画模型，该模型考虑针织物的特征及其对针织物形状和相互作用的影响。利用计算出的自由形式针织品配置，我们基于观察到纱线的单个横截面可以用作对整个针织品进行建模的基本基本原理，从而提出了一种有效的逼真的合成程序。这个称为lumislice的图元描述了纱线横截面的辐射，该辐射解释了纱线纤维之间的细微相互作用。通过将纱线表示为相同但旋转的横截面序列，Lumislice可以有效地在任意针迹图案和针织品形状上传播局部微结构。发光层可容纳各种级别的细节，允许生成柔和的阴影，并利用硬件辅助的透明度混合。这些建模和渲染技术共同构成了生成逼真的针织品的完整方法。

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