research-article

Approximating dynamic global illumination in image space

Authors:

Tobias Ritschel,

Thorsten Grosch,

Hans-Peter SeidelAuthors Info & Claims

I3D '09: Proceedings of the 2009 symposium on Interactive 3D graphics and games

Pages 75 - 82

https://doi.org/10.1145/1507149.1507161

Published: 27 February 2009 Publication History

Abstract

Physically plausible illumination at real-time framerates is often achieved using approximations. One popular example is ambient occlusion (AO), for which very simple and efficient implementations are used extensively in production. Recent methods approximate AO between nearby geometry in screen space (SSAO). The key observation described in this paper is, that screen-space occlusion methods can be used to compute many more types of effects than just occlusion, such as directional shadows and indirect color bleeding. The proposed generalization has only a small overhead compared to classic SSAO, approximates direct and one-bounce light transport in screen space, can be combined with other methods that simulate transport for macro structures and is visually equivalent to SSAO in the worst case without introducing new artifacts. Since our method works in screen space, it does not depend on the geometric complexity. Plausible directional occlusion and indirect lighting effects can be displayed for large and fully dynamic scenes at real-time frame rates.

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Cited By

Mao RLiu F(2024)Stenciled Screen-Space Ambient OcclusionProceedings of the 2024 International Conference on Computer and Multimedia Technology10.1145/3675249.3675305(312-318)Online publication date: 24-May-2024
https://dl.acm.org/doi/10.1145/3675249.3675305
Stucki SAckermann P(2024)Physically-based Path Tracer using WebGPU and OpenPBRProceedings of the 29th International ACM Conference on 3D Web Technology10.1145/3665318.3677158(1-6)Online publication date: 25-Sep-2024
https://dl.acm.org/doi/10.1145/3665318.3677158
Ren HHuo YPeng YSheng HXue WHuang HLan JWang RBao H(2024)LightFormer: Light-Oriented Global Neural Rendering in Dynamic SceneACM Transactions on Graphics10.1145/365822943:4(1-14)Online publication date: 19-Jul-2024
https://dl.acm.org/doi/10.1145/3658229
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Index Terms

Approximating dynamic global illumination in image space
1. Computing methodologies
  1. Artificial intelligence
    1. Computer vision
      1. Image and video acquisition
        3D imaging
  2. Computer graphics

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cover image ACM Conferences

I3D '09: Proceedings of the 2009 symposium on Interactive 3D graphics and games

February 2009

253 pages

ISBN:9781605584294

DOI:10.1145/1507149

Conference Chairs:
Eric Haines
Autodesk, Inc.
,
Morgan McGuire
Williams College
,
Daniel G. Aliaga
Purdue University
,
Manuel M. Oliveira
Universidade Federal do Rio Grande do Sul - UFRGS

Copyright © 2009 ACM.

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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New York, NY, United States

Publication History

Published: 27 February 2009

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I3D '09

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I3D '09: Symposium on Interactive 3D Graphics and Games

February 27 - March 1, 2009

Massachusetts, Boston

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Overall Acceptance Rate 148 of 485 submissions, 31%

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Cited By

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https://dl.acm.org/doi/10.1145/3675249.3675305
Stucki SAckermann P(2024)Physically-based Path Tracer using WebGPU and OpenPBRProceedings of the 29th International ACM Conference on 3D Web Technology10.1145/3665318.3677158(1-6)Online publication date: 25-Sep-2024
https://dl.acm.org/doi/10.1145/3665318.3677158
Ren HHuo YPeng YSheng HXue WHuang HLan JWang RBao H(2024)LightFormer: Light-Oriented Global Neural Rendering in Dynamic SceneACM Transactions on Graphics10.1145/365822943:4(1-14)Online publication date: 19-Jul-2024
https://dl.acm.org/doi/10.1145/3658229
Peytavie AGain JGuérin EArgudo OGalin E(2024)DeadWood: Including Disturbance and Decay in the Depiction of Digital NatureACM Transactions on Graphics10.1145/364181643:2(1-19)Online publication date: 23-Jan-2024
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Noor JMahmud ARahman MSifar AMostafa FTasnova LChellappan S(2024)SAwareSSGI: Surrounding-Aware Screen-Space Global Illumination Using Generative Adversarial NetworksIEEE Access10.1109/ACCESS.2024.346710212(139946-139961)Online publication date: 2024
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Titov ADrouin SKersten-Oertel M(2023)Connect Brain, a Mobile App for Studying Depth Perception in Angiography Visualization: Gamification StudyJMIR Neurotechnology10.2196/458282(e45828)Online publication date: 20-Oct-2023
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Zheng CHuo YMo SZhong ZWu ZHua WWang RBao H(2023)NeLT: Object-Oriented Neural Light TransferACM Transactions on Graphics10.1145/359649142:5(1-16)Online publication date: 10-May-2023
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Zeng ZXu ZWang LWu LYan L(2023)Ray‐aligned Occupancy Map Array for Fast Approximate Ray TracingComputer Graphics Forum10.1111/cgf.1488242:4Online publication date: 26-Jul-2023
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Gao DMu HXu K(2023)Neural Global Illumination: Interactive Indirect Illumination Prediction Under Dynamic Area LightsIEEE Transactions on Visualization and Computer Graphics10.1109/TVCG.2022.320996329:12(5325-5341)Online publication date: Dec-2023
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