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A two-pass solution to the rendering equation: A synthesis of ray tracing and radiosity methods

Published: 01 August 1987 Publication History

Abstract

View-independent and view-dependent image synthesis techniques, represented by radiosity and ray tracing, respectively, are discussed. View-dependent techniques are found to have advantages for calculating the specular component of illumination and view-independent techniques for the diffuse component. Based on these observations a methodology is presented for simulating global illumination within complex environments using a two-pass approach. The first pass is view-independent and is based on the hemi-cube radiosity algorithm, with extensions to include the effects of diffuse transmission, and specular to diffuse reflection and transmission. The second pass is view-dependent and is based on an alternative to distributed ray tracing in which a z-buffer algorithm is used to sample the intensities contributing to the specularly reflected or transmitted intensity.

References

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Information & Contributors

Information

Published In

cover image ACM SIGGRAPH Computer Graphics
ACM SIGGRAPH Computer Graphics  Volume 21, Issue 4
July 1987
299 pages
ISSN:0097-8930
DOI:10.1145/37402
Issue’s Table of Contents
  • cover image ACM Conferences
    SIGGRAPH '87: Proceedings of the 14th annual conference on Computer graphics and interactive techniques
    August 1987
    352 pages
    ISBN:0897912276
    DOI:10.1145/37401
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 01 August 1987
Published in SIGGRAPH Volume 21, Issue 4

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Cited By

View all
  • (2023)A Ray Tracing Solution for Diffuse InterreflectionSeminal Graphics Papers: Pushing the Boundaries, Volume 210.1145/3596711.3596741(261-268)Online publication date: 1-Aug-2023
  • (2021)Software Library For The Lighting Fixtures Optical characteristics Calculation By The Computer-aided design System Kompas 3DLight & Engineering10.33383/2021-016(78-85)Online publication date: Jun-2021
  • (2020)GENERATING REALISTIC IMAGES ON THE COMPUTER THROUGH REAL LUMINOUS INTENSITY DATA AND RADIOSITY METHODBİLGİSAYAR ORTAMINDA GERÇEK IŞIK ŞİDDET VERİLERİ VE RADİOSİTY YÖNTEMİ KULLANILARAK GERÇEKÇİ GÖRÜNTÜLERİN OLUŞTURULMASIMühendislik Bilimleri ve Tasarım Dergisi10.21923/jesd.8261728:5(255-270)Online publication date: 29-Dec-2020
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  • (2013)Parameterized Animation CompressionRendering Techniques 200010.1007/978-3-7091-6303-0_10(101-112)Online publication date: 22-Jun-2013
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