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Antialiasing Complex Global Illumination Effects in Path-Space

Authors:

Laurent Belcour,

Ravi Ramamoorthi,

Derek NowrouzezahraiAuthors Info & Claims

ACM Transactions on Graphics (TOG), Volume 36, Issue 1

Article No.: 9, Pages 1 - 13

https://doi.org/10.1145/2990495

Published: 06 January 2017 Publication History

Abstract

We present the first method to efficiently predict antialiasing footprints to pre-filter color-, normal-, and displacement-mapped appearance in the context of multi-bounce global illumination. We derive Fourier spectra for radiance and importance functions that allow us to compute spatial-angular filtering footprints at path vertices for both uni- and bi-directional path construction. We then use these footprints to antialias reflectance modulated by high-resolution maps (such as color and normal maps) encountered along a path. In doing so, we also unify the traditional path-space formulation of light transport with our frequency-space interpretation of global illumination pre-filtering. Our method is fully compatible with all existing single bounce pre-filtering appearance models, not restricted by path length, and easy to implement atop existing path-space renderers. We illustrate its effectiveness on several radiometrically complex scenarios where previous approaches either completely fail or require orders of magnitude more time to arrive at similarly high-quality results.

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Cited By

Yokota SFujishiro I(2024)Visual simulation of opal using bond percolation through the weighted Voronoi diagram and the Ewald constructionThe Visual Computer: International Journal of Computer Graphics10.1007/s00371-024-03504-140:7(5005-5016)Online publication date: 1-Jul-2024
https://dl.acm.org/doi/10.1007/s00371-024-03504-1
Bako SSen PKaplanyan A(2023)Deep Appearance PrefilteringACM Transactions on Graphics10.1145/357032742:2(1-23)Online publication date: 16-Jan-2023
https://dl.acm.org/doi/10.1145/3570327
Yu ZZhang CNowrouzezahrai DDong ZZhao S(2022)Efficient Differentiation of Pixel Reconstruction Filters for Path-Space Differentiable RenderingACM Transactions on Graphics10.1145/3550454.355550041:6(1-16)Online publication date: 30-Nov-2022
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Index Terms

Antialiasing Complex Global Illumination Effects in Path-Space
1. Computing methodologies
  1. Computer graphics
    1. Image manipulation
    2. Rendering

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cover image ACM Transactions on Graphics

ACM Transactions on Graphics Volume 36, Issue 1

February 2017

165 pages

ISSN:0730-0301

EISSN:1557-7368

DOI:10.1145/2996392

Editor:
Kavita Bala
Cornell University

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Copyright © 2017 ACM.

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Publication History

Published: 06 January 2017

Accepted: 01 October 2016

Revised: 01 August 2016

Received: 01 September 2015

Published in TOG Volume 36, Issue 1

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Cited By

Yokota SFujishiro I(2024)Visual simulation of opal using bond percolation through the weighted Voronoi diagram and the Ewald constructionThe Visual Computer: International Journal of Computer Graphics10.1007/s00371-024-03504-140:7(5005-5016)Online publication date: 1-Jul-2024
https://dl.acm.org/doi/10.1007/s00371-024-03504-1
Bako SSen PKaplanyan A(2023)Deep Appearance PrefilteringACM Transactions on Graphics10.1145/357032742:2(1-23)Online publication date: 16-Jan-2023
https://dl.acm.org/doi/10.1145/3570327
Yu ZZhang CNowrouzezahrai DDong ZZhao S(2022)Efficient Differentiation of Pixel Reconstruction Filters for Path-Space Differentiable RenderingACM Transactions on Graphics10.1145/3550454.355550041:6(1-16)Online publication date: 30-Nov-2022
https://dl.acm.org/doi/10.1145/3550454.3555500
Deng YWang MKong XXiong SXian ZZhu B(2022)A moving eulerian-lagrangian particle method for thin film and foam simulationACM Transactions on Graphics10.1145/3528223.353017441:4(1-17)Online publication date: 22-Jul-2022
https://dl.acm.org/doi/10.1145/3528223.3530174
Wang MDeng YKong XPrasad AXiong SZhu B(2021)Thin-film smoothed particle hydrodynamics fluidACM Transactions on Graphics10.1145/3450626.345986440:4(1-16)Online publication date: 19-Jul-2021
https://dl.acm.org/doi/10.1145/3450626.3459864
Zirr TDachsbacher C(2020)Path differential-informed stratified MCMC and adaptive forward path samplingACM Transactions on Graphics10.1145/3414685.341785639:6(1-19)Online publication date: 27-Nov-2020
https://dl.acm.org/doi/10.1145/3414685.3417856
Loubet GZeltner THolzschuch NJakob W(2020)Slope-space integrals for specular next event estimationACM Transactions on Graphics10.1145/3414685.341781139:6(1-13)Online publication date: 27-Nov-2020
https://dl.acm.org/doi/10.1145/3414685.3417811
Liang YWang BWang LHolzschuch N(2020)Fast Computation of Single Scattering in Participating Media with Refractive Boundaries Using Frequency AnalysisIEEE Transactions on Visualization and Computer Graphics10.1109/TVCG.2019.290987526:10(2961-2969)Online publication date: 1-Oct-2020
https://doi.org/10.1109/TVCG.2019.2909875
Milaenen DBelcour LGuertin JHachisuka TNowrouzezahrai DTagliasacchi ATeather R(2019)A Frequency Analysis and Dual Hierarchy for Efficient Rendering of Subsurface ScatteringProceedings of the 45th Graphics Interface Conference10.20380/GI2019.03(1-7)Online publication date: 1-Jun-2019
https://dl.acm.org/doi/10.20380/GI2019.03
Chermain XClaux FMérillou S(2019)Glint Rendering based on a Multiple‐Scattering Patch BRDFComputer Graphics Forum10.1111/cgf.1376738:4(27-37)Online publication date: 30-Jul-2019
https://doi.org/10.1111/cgf.13767
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