Procedural Shading for Rendering the Appearance of Feathers

Procedural Shading for Rendering the Appearance of Feathers
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用于渲染羽毛外观的程序着色

DOI:
10.1145/3450618.3469161
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发表时间:
2021
期刊:
SIGGRAPH '21: ACM SIGGRAPH 2021 Posters
影响因子:
--
通讯作者:
Patterson, Eric
Patterson, Eric
中科院分区:
--
文献类型:
--
作者:
Baron, Jessica;Dhillon, Daljit Singh;Patterson, Eric

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真实世界羽毛的外观是光与不同规模的复杂图案结构相互作用的结果;然而,这些尚未被建模用于在计算机图形学中精确渲染羽毛。以前发表的作品提出了简化的曲线模型的羽毛外观。使用成像从真实的羽毛,我们建议为什么这些方法是不够的,并提供动机,建立一个外观模型,具体到羽毛。在这种情况下,我们展示了一种新的技术,考虑到羽毛的子结构在阴影计算产生更准确的远场外观。
The appearance of a real-world feather is the result of light interactions with complex, patterned structures of varying scale; however, these have not yet been modeled for accurate rendering of feathers in computer graphics. Previously published works have presented simplified curve models for feather appearance. Using imaging from real feathers, we suggest why these approaches are not sufficient and provide motivation for building an appearance model specific to feathers. In that vein we demonstrate a new technique that takes into account the substructures of feathers during shading calculations to produce a more accurate far-field appearance.
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