Accurate light source acquisition and rendering

Michael Goesele*, Xavier Granier, Wolfgang Heidrich, Hans Peter Seidel

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

34 Scopus citations

Abstract

Realistic image synthesis requires both complex and realistic models of real-world light sources and efficient rendering algorithms to deal with them. In this paper, we describe a processing pipeline for dealing with complex light sources from acquisition to global illumination rendering. We carefully design optical filters to guarantee high precision measurements of real-world light sources. We discuss two practically feasible setups that allow us to measure light sources with different characteristics. Finally, we introduce an efficient importance sampling algorithm for our representation that can be used, for example, in conjunction with Photon Maps.

Original languageEnglish (US)
Title of host publicationACM SIGGRAPH 2003 Papers, SIGGRAPH '03
Pages621-630
Number of pages10
DOIs
StatePublished - Dec 1 2003
EventACM SIGGRAPH 2003 Papers, SIGGRAPH '03 - San Diego, CA, United States
Duration: Jul 27 2003Jul 31 2003

Publication series

NameACM SIGGRAPH 2003 Papers, SIGGRAPH '03

Other

OtherACM SIGGRAPH 2003 Papers, SIGGRAPH '03
CountryUnited States
CitySan Diego, CA
Period07/27/0307/31/03

Keywords

  • modeling - light sources
  • modeling - object scanning/acquisition
  • modeling - physically-based modelling
  • rendering - global illumination
  • rendering - image-based rendering
  • rendering - raytracing

ASJC Scopus subject areas

  • Computer Graphics and Computer-Aided Design
  • Computer Vision and Pattern Recognition
  • Software

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