NDLI: Real-time fiber-level cloth rendering

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Real-time fiber-level cloth rendering

Content Provider	ACM Digital Library
Author	Wu, Kui Yuksel, Cem
Abstract	Modeling cloth with fiber-level geometry can produce highly realistic details. However, rendering fiber-level cloth models not only has a high memory cost but it also has a high computation cost even for offline rendering applications. In this paper we present a real-time fiber-level cloth rendering method for current GPUs. Our method procedurally generates fiber-level geometric details on-the-fly using yarn-level control points for minimizing the data transfer to the GPU. We also reduce the rasterization operations by collectively representing the fibers near the center of each ply that form the yarn structure. Moreover, we employ a level-of-detail strategy to minimize or completely eliminate the generation of fiber-level geometry that would have little or no impact on the final rendered image. Furthermore, we introduce a simple yarn-level ambient occlusion approximation and self-shadow computation method that allows lighting with self-shadows using relatively low-resolution shadow maps. We demonstrate the effectiveness of our approach by comparing our simplified fiber geometry to procedurally generated references and display knitwear containing more than a hundred million individual fiber curves at real-time frame rates with shadows and ambient occlusion.
Starting Page	1
Ending Page	8
Page Count	8
File Format	PDF
ISBN	9781450348867
DOI	10.1145/3023368.3023372
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2017-02-25
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Textile Procedural geometry Cloth rendering
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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