Metalights: Improved interleaved shading

William Faure, Chun Fa Chang

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We present metalights, a novel Virtual Point Light (VPL) encapsulating structure which enhances classic interleaved shading by improving VPL sampling, based on few initial screen space samples to estimate VPL contribution to current view. Our method leads to important noise variance reduction in the final picture by only adding a small fraction of computation. The implementation is straight-forward and well adapted to both CPU and GPU-based engines. We also present different image-space assignment schemes for the VPL subsets to break the regularity of the noise pattern or to adapt it to simple antialiasing.

Original languageEnglish
Pages (from-to)2109-2117
Number of pages9
JournalComputer Graphics Forum
Volume29
Issue number7
DOIs
Publication statusPublished - 2010 Sep

ASJC Scopus subject areas

  • Computer Graphics and Computer-Aided Design

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