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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ping Guo Yuanlong Wang |
| Copyright Year | 2012 |
| Description | Author affiliation: Image Processing and Pattern Recognition Laboratory, Beijing Normal University, 100875, China (Ping Guo; Yuanlong Wang) |
| Abstract | At present, multiple scattering problems in participating media is still very challenging for real time rendering. Some methods have proposed to describe multiple scattering phenomena, however, there are some restriction conditions such as requiring the medium is static, etc., and rendering speed is not satisfied real-time requirement. In order to speed up the multiple scattering rendering, we propose a GPU based algorithm in this paper. First of all, the media is initialized with a particle system and the property of each particle is defined; secondly, according to the properties of each particle, a method of tracing the particle path, which is generated by uniformly sampling the surrounding particles of one particle, is proposed and this method is used to compute in-scattering radiance for each particle; finally, the total radiance is calculated by summing up contributions of particles along ray paths and the final image is rendered. The experimental results show that the proposed algorithm can achieve the real-time rendering effect. |
| Starting Page | 2259 |
| Ending Page | 2264 |
| File Size | 452915 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781467317139 |
| e-ISBN | 9781467317146 |
| e-ISBN | 9781467317122 |
| DOI | 10.1109/ICSMC.2012.6378077 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-10-14 |
| Publisher Place | Korea (South) |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Scattering Media Mathematical model Real-time systems Equations Light sources Rendering (computer graphics) parallel computing computer graphics ray tracing multiple scattering real time rendering |
| Content Type | Text |
| Resource Type | Article |
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