Realtime global illumination using compressed pre-computed indirect illumination textures

Chris Bahnsen, Antoine Martin dit Neuville , Casper Pedersen , Gabrielle Danielle Monique Tranchet , Claus B. Madsen

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Abstract

In this paper, we present a way to render images in real time, with both direct and indirect illumination. Our
approach uses precomputed indirect illumination images, produced at certain intervals, which need not be constant.
When rendering a scene, the two closest images are then interpolated and added to the direct illumination to
produce the total illumination. Depending on the type of image produced, the algorithm allows a camera to move,
and even objects to be added or modified at runtime to some extent. Finally, we will see that the amount of data to
store and process can also be reduced using a dimensionality reduction algorithm such as PCA.
OriginalsprogEngelsk
TitelWSCG 2012 Conference Proceedings : The 20th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision
RedaktørerVaclav Skala
Antal sider8
ForlagUnion Agency
Publikationsdato28 jun. 2012
Sider231-238
ISBN (Trykt)978-80-86943-79-4
StatusUdgivet - 28 jun. 2012
BegivenhedInternational Conference on Computer Graphics Theory and Applications (GRAPP 2011) - Vilamoura, Portugal
Varighed: 5 mar. 20117 mar. 2011

Konference

KonferenceInternational Conference on Computer Graphics Theory and Applications (GRAPP 2011)
Land/OmrådePortugal
ByVilamoura
Periode05/03/201107/03/2011

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