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    Time-constrained High-fidelity Rendering on Local Desktop Grids

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    103-110.pdf (1.484Mb)
    Date
    2009
    Author
    Aggarwal, Vibhor
    Debattista, Kurt
    Dubla, Piotr
    Bashford-Rogers, Thomas
    Chalmers, Alan
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    Abstract
    Parallel computing has been frequently used for reducing the rendering time of high-fidelity images, since the generation of such images has a high computational cost. Numerous algorithms have been proposed for parallel rendering but they primarily focus on utilising shared memory machines or dedicated distributed clusters. A local desktop grid, composed of arbitrary computational resources connected to a network such as those in a lab or an enterprise, provides an inexpensive alternative to dedicated clusters. The computational power offered by such a desktop grid is time-variant as the resources are not dedicated. This paper presents fault-tolerant algorithms for rendering high-fidelity images on a desktop grid within a given time-constraint. Due to the dynamic nature of resources, the task assignment does not rely on subdividing the image into tiles. Instead, a progressive approach is used that encompasses aspects of the entire image for each task and ensures that the time-constraints are met. Traditional reconstruction techniques are used to calculate the missing data. This approach is designed to avoid redundancy to maintain time-constraints. As a further enhancement, the algorithm decomposes the computation into components representing different tasks to achieve better visual quality considering the time-constraint and variable resources. This paper illustrates how the component-based approach maintains a better visual fidelity considering a given time-constraint while making use of volatile computational resources.
    BibTeX
    @inproceedings {10.2312:EGPGV:EGPGV09:103-110,
    booktitle = {Eurographics Symposium on Parallel Graphics and Visualization},
    editor = {Kurt Debattista and Daniel Weiskopf and Joao Comba},
    title = {{Time-constrained High-fidelity Rendering on Local Desktop Grids}},
    author = {Aggarwal, Vibhor and Debattista, Kurt and Dubla, Piotr and Bashford-Rogers, Thomas and Chalmers, Alan},
    year = {2009},
    publisher = {The Eurographics Association},
    ISSN = {1727-348X},
    ISBN = {978-3-905674-15-6},
    DOI = {10.2312/EGPGV/EGPGV09/103-110}
    }
    URI
    http://dx.doi.org/10.2312/EGPGV/EGPGV09/103-110
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    • EGPGV09: Eurographics Symposium on Parallel Graphics and Visualization

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    Eurographics Association copyright © 2013 - 2023 
    Send Feedback | Contact - Imprint | Data Privacy Policy | Disable Google Analytics
    Theme by @mire NV
    System hosted at  Graz University of Technology.
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