Time-constrained High-fidelity Rendering on Local Desktop Grids
Loading...
Date
2009
Journal Title
Journal ISSN
Volume Title
Publisher
The Eurographics Association
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.
Description
@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}
}