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Analytic antialiasing for selective high fidelity rendering
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Longhurst, Peter, Debattista, Kurt, Gillibrand, Richard and Chalmers, Alan (2005) Analytic antialiasing for selective high fidelity rendering. In: SIBGRAPI'05 XVIII Brazilian Symposium on Computer Graphics and Image Processing , Natal, Rio Grande do Norte, Brazil, 9-12 Oct 2005. Published in: SIBGRAPI 2005 XVIII Brazilian Symposium on Computer Graphics and Image Processing : [Natal, Rio Grande do Norte, Brazil, October 9-12, 2005 : conference proceedings] pp. 359-366. ISSN 9780769523897. doi:10.1109/SIBGRAPI.2005.11
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Official URL: http://dx.doi.org/10.1109/SIBGRAPI.2005.11
Abstract
Images rendered using global illumination algorithms are considered amongst the most realistic in 3D computer graphics. However, this high fidelity comes at a significant computational expense. A major part of this cost arises from the sampling required to eliminate aliasing errors. These errors occur due to the discrete sampling of continuous geometry space inherent to these techniques. In this paper we present a fast analytic method for predicting in advance where antialiasing needs to be computed. This prediction is based on a rapid visualisation of the scene using a GPU, which is used to drive a selective renderer. We are able to significantly reduce the overall number of anitialiasing rays traced, producing an image that is perceptually indistinguishable from the high quality image at a much reduced computational cost.
| Item Type: | Conference Item (Paper) | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) | ||||
| Journal or Publication Title: | SIBGRAPI 2005 XVIII Brazilian Symposium on Computer Graphics and Image Processing : [Natal, Rio Grande do Norte, Brazil, October 9-12, 2005 : conference proceedings] | ||||
| Publisher: | IEEE Computer Society | ||||
| ISSN: | 9780769523897 | ||||
| Book Title: | XVIII Brazilian Symposium on Computer Graphics and Image Processing (SIBGRAPI'05) | ||||
| Official Date: | 2005 | ||||
| Dates: |
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| Page Range: | pp. 359-366 | ||||
| DOI: | 10.1109/SIBGRAPI.2005.11 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Conference Paper Type: | Paper | ||||
| Title of Event: | SIBGRAPI'05 XVIII Brazilian Symposium on Computer Graphics and Image Processing | ||||
| Type of Event: | Conference | ||||
| Location of Event: | Natal, Rio Grande do Norte, Brazil | ||||
| Date(s) of Event: | 9-12 Oct 2005 |
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