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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Stompel, A. Ma, K.-L. Lum, E.B. Ahrens, J. Patchett, J. |
| Copyright Year | 2003 |
| Description | Author affiliation: California Univ., Davis, CA, USA (Stompel, A.; Ma, K.-L.; Lum, E.B.) |
| Abstract | Parallel volume rendering offers a feasible solution to the large data visualization problem by distributing both the data and rendering calculations among multiple computers connected by a network. In sort-last parallel volume rendering, each processor generates an image of its assigned subvolume, which is blended together with other images to derive the final image. Improving the efficiency of this compositing step, which requires interprocesssor communication, is the key to scalable, interactive rendering. The recent trend of using hardware-accelerated volume rendering demands further acceleration of the image compositing step. We present a new optimized parallel image compositing algorithm and its performance on a PC cluster. Our test results show that this new algorithm offers significant savings over previous algorithms in both communication and compositing costs. On a 64-node PC cluster with a 100BaseT network interconnect, we can achieve interactive rendering rates for images at resolutions up to 1024x1024 pixels at several frames per second. |
| Sponsorship | IEEE Comput. Soc. Tech. Comm. on Visualization and Graphics |
| Starting Page | 33 |
| Ending Page | 40 |
| File Size | 517705 |
| Page Count | 8 |
| File Format | |
| ISBN | 078038122X |
| DOI | 10.1109/PVGS.2003.1249040 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2003-10-20 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Concurrent computing Algorithm design and analysis High performance computing Software algorithms Clustering algorithms Computer graphics Rendering (computer graphics) Hardware Partitioning algorithms Pixel |
| Content Type | Text |
| Resource Type | Article |
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