Information
- Publication Type: Journal Paper with Conference Talk
- Workgroup(s)/Project(s):
- Date: May 2020
- Call for Papers: Call for Paper
- Date (from): 14. September 2020
- Date (to): 18. September 2020
- DOI: 10.1145/3384537
- Event: ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games
- ISSN: 2577-6193
- Journal: Proceedings of the ACM on Computer Graphics and Interactive Techniques
- Lecturer: Christian Luksch
- Location: online
- Number: 1
- Open Access: yes
- Pages (from): 4.1
- Pages (to): 4.18
- Volume: 3
- Keywords: area lights, photometric lights, real-time rendering
Abstract
We present a real-time rendering technique for photometric polygonal lights. Our method uses a numerical integration technique based on a triangulation to calculate noise-free diffuse shading. We include a dynamic point in the triangulation that provides a continuous near-field illumination resembling the shape of the light emitter and its characteristics. We evaluate the accuracy of our approach with a diverse selection of photometric measurement data sets in a comprehensive benchmark framework. Furthermore, we provide an extension for specular reflection on surfaces with arbitrary roughness that facilitates the use of existing real-time shading techniques. Our technique is easy to integrate into real-time rendering systems and extends the range of possible applications with photometric area lights.
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BibTeX
@article{luksch_2020,
title = "Real-Time Approximation of Photometric Polygonal Lights",
author = "Christian Luksch and Lukas Prost and Michael Wimmer",
year = "2020",
abstract = "We present a real-time rendering technique for photometric
polygonal lights. Our method uses a numerical integration
technique based on a triangulation to calculate noise-free
diffuse shading. We include a dynamic point in the
triangulation that provides a continuous near-field
illumination resembling the shape of the light emitter and
its characteristics. We evaluate the accuracy of our
approach with a diverse selection of photometric measurement
data sets in a comprehensive benchmark framework.
Furthermore, we provide an extension for specular reflection
on surfaces with arbitrary roughness that facilitates the
use of existing real-time shading techniques. Our technique
is easy to integrate into real-time rendering systems and
extends the range of possible applications with photometric
area lights.",
month = may,
doi = "10.1145/3384537",
issn = "2577-6193",
journal = "Proceedings of the ACM on Computer Graphics and Interactive
Techniques",
number = "1",
volume = "3",
pages = "4.1--4.18",
keywords = "area lights, photometric lights, real-time rendering",
URL = "https://www.cg.tuwien.ac.at/research/publications/2020/luksch_2020/",
}