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Issue No.01 - January-March (2003 vol.9)
pp: 43-55
ABSTRACT
<p><b>Abstract</b>—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 <it>lumislice</it>, 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.</p>
INDEX TERMS
Knitwear, image-based rendering, photorealistic rendering, animation models, parametric surfaces, transparency blending.
CITATION
Yanyun Chen, Stephen Lin, Hua Zhong, Ying-Qing Xu, Baining Guo, Heung-Yeung Shum, "Realistic Rendering and Animation of Knitwear", IEEE Transactions on Visualization & Computer Graphics, vol.9, no. 1, pp. 43-55, January-March 2003, doi:10.1109/TVCG.2003.1175096
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