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Browsing by Author "Mcguire, Morgan"

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    Dynamic Diffuse Global Illumination Resampling
    (© 2022 Eurographics ‐ The European Association for Computer Graphics and John Wiley & Sons Ltd, 2022) Majercik, Zander; Müller, Thomas; Keller, Alexander; Nowrouzezahrai, Derek; McGuire, Morgan; Hauser, Helwig and Alliez, Pierre
    Interactive global illumination remains a challenge in radiometrically and geometrically complex scenes. Specialized sampling strategies are effective for specular and near‐specular transport because the scattering has relatively low directional variance per scattering event. In contrast, the high variance from transport paths comprising multiple rough glossy or diffuse scattering events remains notoriously difficult to resolve with a small number of samples. We extend unidirectional path tracing to address this by combining screen‐space reservoir resampling and sparse world‐space probes, significantly improving sample efficiency for transport contributions that terminate on diffuse scattering events. Our experiments demonstrate a clear improvement—at equal time and equal quality—over purely path traced and purely probe‐based baselines. Moreover, when combined with commodity denoisers, we are able to interactively render global illumination in complex scenes.
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    Rendering 2021 CGF 40-4: Frontmatter
    (The Eurographics Association and John Wiley & Sons Ltd., 2021) Bousseau, Adrien; McGuire, Morgan; Bousseau, Adrien and McGuire, Morgan
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    Rendering 2021 DL Track: Frontmatter
    (The Eurographics Association, 2021) Bousseau, Adrien; McGuire, Morgan; Bousseau, Adrien and McGuire, Morgan

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