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  Interactive Volume Caustics in Single-Scattering Media

Hu, W., Dong, Z., Ihrke, I., Grosch, T., Yuan, G., & Seidel, H.-P. (2010). Interactive Volume Caustics in Single-Scattering Media. In A., Varshney, C., Wyman, D., Aliaga, & M. M., Oliveira (Eds.), Proceedings I3D 2010 (pp. 109-117). New York, NY: ACM. doi:10.1145/1730804.1730822.

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資料種別: 会議論文

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 作成者:
Hu, Wei1, 著者
Dong, Zhao2, 著者           
Ihrke, Ivo1, 著者           
Grosch, Thorsten1, 著者           
Yuan, Guodong1, 著者
Seidel, Hans-Peter2, 著者                 
所属:
1External Organizations, ou_persistent22              
2Computer Graphics, MPI for Informatics, Max Planck Society, ou_40047              

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 要旨: Volume caustics are intricate illumination patterns formed by light first interacting with a specular surface and subsequently being scattered inside a participating medium. Although this phenomenon can be simulated by existing techniques, image synthesis is usually non-trivial and time-consuming. Motivated by interactive applications, we propose a novel volume caustics rendering method for single-scattering participating media. Our method is based on the observation that line rendering of illumination rays into the screen buffer establishes a direct light path between the viewer and the light source. This connection is introduced via a single scattering event for every pixel affected by the line primitive. Since the GPU is a parallel processor, the radiance contributions of these light paths to each of the pixels can be computed and accumulated independently. The implementation of our method is straightforward and we show that it can be seamlessly integrated with existing methods for rendering participating media. We achieve high-quality results at real-time frame rates for large and dynamic scenes containing homogeneous participating media. For inhomogeneous media, our method achieves interactive performance that is close to real-time. Our method is based on a simplified physical model and can thus be used for generating physically plausible previews of expensive lighting simulations quickly.

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言語: eng - English
 日付: 2011-01-2120102010
 出版の状態: 出版
 ページ: -
 出版情報: -
 目次: -
 査読: -
 識別子(DOI, ISBNなど): eDoc: 537283
DOI: 10.1145/1730804.1730822
BibTex参照ID: HDI:2010:VolumeCaustics
 学位: -

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イベント名: ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games
開催地: Washington, DC, US
開始日・終了日: 2010-02-19 - 2010-02-21

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出版物 1

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出版物名: Proceedings I3D 2010
  省略形 : I3D 2010
  副タイトル : ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games
種別: 会議論文集
 著者・編者:
Varshney, Amitabh1, 編集者
Wyman, Chris1, 編集者
Aliaga, Daniel1, 編集者
Oliveira, Manuel M.1, 編集者
所属:
1 External Organizations, ou_persistent22            
出版社, 出版地: New York, NY : ACM
ページ: - 巻号: - 通巻号: - 開始・終了ページ: 109 - 117 識別子(ISBN, ISSN, DOIなど): ISBN: 978-1-60558-939-8