Real-Time Caustics Using Cascaded Image-Space Photon Tracing

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dc.contributor.authorMeenrattanakorn, Krittinen_US
dc.contributor.authorLambers, Martinen_US
dc.contributor.editorBender, Janen_US
dc.contributor.editorBotsch, Marioen_US
dc.contributor.editorKeim, Daniel A.en_US
dc.date.accessioned2022-09-26T09:29:02Z
dc.date.available2022-09-26T09:29:02Z
dc.date.issued2022
dc.description.abstractCaustics are formed when transparent or specular materials focus many light rays onto confined areas. Such effects are among the most challenging optical effects to render. Typical path tracing algorithms need many light ray samples to form realistic caustic highlights and/or clever strategies to sample the most relevant light paths. This paper presents an approach for rendering caustics from one specular bounce at an interactive performance by using cascaded image-space photon tracing based on both G-buffer (camera perspective) and Reflective Shadow Maps (light source perspective). A denoiser is applied to remove Monte Carlo noise before applying the caustics texture. Our results demonstrate caustics with more realistic and precise details compared to state-of-the-art Caustics Mapping, at real-time frame rates even on moderately powerful GPUs.en_US
dc.description.sectionheadersSession V
dc.description.seriesinformationVision, Modeling, and Visualization
dc.identifier.doi10.2312/vmv.20221212
dc.identifier.isbn978-3-03868-189-2
dc.identifier.pages127-134
dc.identifier.pages8 pages
dc.identifier.urihttps://doi.org/10.2312/vmv.20221212
dc.identifier.urihttps://diglib.eg.org:443/handle/10.2312/vmv20221212
dc.publisherThe Eurographics Associationen_US
dc.rightsAttribution 4.0 International License
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectCCS Concepts: Computing methodologies --> Ray tracing; Rasterization
dc.subjectComputing methodologies
dc.subjectRay tracing
dc.subjectRasterization
dc.titleReal-Time Caustics Using Cascaded Image-Space Photon Tracingen_US
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