A practical ply-based appearance model of woven fabrics

A practical ply-based appearance model of woven fabrics
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实用的基于层数的机织物外观模型

DOI:
10.1145/3414685.3417777
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发表时间:
2020
影响因子:
6.2
通讯作者:
Jensen, Henrik Wann
Jensen, Henrik Wann
中科院分区:
计算机科学1区
文献类型:
--
作者:
Montazeri, Zahra;Gammelmark, Søren B.;Zhao, Shuang;Jensen, Henrik Wann

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由于组成纱线和纤维之间的光照复杂的相互作用,模拟机织织物的外观具有挑战性。传统的基于表面的模型缺乏生成逼真的特写渲染的保真度和细节。另一方面,微外观模型可以通过逐纤维描绘织物来生成高度详细的渲染,但在处理大件衣服时会变得昂贵。此外,无论是基于表面的模型还是微观外观模型都尚未在实践中显示出能够同时匹配复杂的各向异性反射和透射的测量。在本文中,我们介绍了一种实用的机织物外观模型。我们在层层面对织物的结构进行建模,并模拟构成每层的纤维的局部外观。我们的模型考虑了光的反射和透射,并且能够比包括基于光纤的技术在内的现有方法更好地匹配物理测量。与现有的微型外观模型相比,我们的模型重量轻,可以扩展到大件衣服。
Simulating the appearance of woven fabrics is challenging due to the complex interplay of lighting between the constituent yarns and fibers. Conventional surface-based models lack the fidelity and details for producing realistic close-up renderings. Micro-appearance models, on the other hand, can produce highly detailed renderings by depicting fabrics fiber-by-fiber, but become expensive when handling large pieces of clothing. Further, neither surface-based nor micro-appearance model has not been shown in practice to match measurements of complex anisotropic reflection and transmission simultaneously.In this paper, we introduce a practical appearance model for woven fabrics. We model the structure of a fabric at the ply level and simulate the local appearance of fibers making up each ply. Our model accounts for both reflection and transmission of light and is capable of matching physical measurements better than prior methods including fiber based techniques. Compared to existing micro-appearance models, our model is light-weight and scales to large pieces of clothing.
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