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Authors: Cristian Lambru ; Florica Moldoveanu ; Anca Morar and Victor Asavei

Affiliation: Faculty of Automatic Control and Computers, University POLITEHNICA of Bucharest, 060042, Bucharest, Romania

Keyword(s): Computer Graphics, Area Lights, Voxelization, Light Propagation Volumes.

Abstract: Simulation of the area light sources direct illumination is a topic of interest in the field of Computer Graphics. In the real world, all light sources have a surface from which light is emitted. Thus, for a physically correct simulation of the light transport in graphical applications, area light sources are required. In addition, there are complex lighting effects that can only be simulated with such light sources. In this paper, we present an improvement of the direct lighting simulation for area light sources within the real-time global illumination technique called light propagation volumes. Our method is based on a voxelization of the area light source geometry in a voxel volume of the same resolution as the light propagation volume used in the global illumination technique. With a sample for every voxel that intersects a triangle, for every triangle of the mesh, we obtain an optimal distribution of the samples needed to approximate the direct illumination of the area light sou rce for the light propagation volumes technique. (More)

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Paper citation in several formats:
Lambru, C.; Moldoveanu, F.; Morar, A. and Asavei, V. (2022). Area Lights Voxelization for Light Propagation Volumes. In Proceedings of the 17th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2022) - GRAPP; ISBN 978-989-758-555-5; ISSN 2184-4321, SciTePress, pages 212-219. DOI: 10.5220/0010841600003124

@conference{grapp22,
author={Cristian Lambru. and Florica Moldoveanu. and Anca Morar. and Victor Asavei.},
title={Area Lights Voxelization for Light Propagation Volumes},
booktitle={Proceedings of the 17th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2022) - GRAPP},
year={2022},
pages={212-219},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0010841600003124},
isbn={978-989-758-555-5},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the 17th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2022) - GRAPP
TI - Area Lights Voxelization for Light Propagation Volumes
SN - 978-989-758-555-5
IS - 2184-4321
AU - Lambru, C.
AU - Moldoveanu, F.
AU - Morar, A.
AU - Asavei, V.
PY - 2022
SP - 212
EP - 219
DO - 10.5220/0010841600003124
PB - SciTePress

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