A Multi-pass Method for Accelerated Spectral Sampling

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dc.contributor.authorRuit, Mark van deen_US
dc.contributor.authorEisemann, Elmaren_US
dc.contributor.editorZhang, Fang-Lue and Eisemann, Elmar and Singh, Karanen_US
dc.date.accessioned2021-10-14T11:11:29Z
dc.date.available2021-10-14T11:11:29Z
dc.date.issued2021
dc.description.abstractSpectral Monte Carlo rendering can simulate advanced light phenomena, such as chromatic dispersion, but typically shows a slow convergence behavior. Properly sampling the spectral domain can be challenging in scenes with many complex spectral distributions. To this end, we propose a multi-pass approach. We build and store coarse screen-space estimates of incident spectral radiance and use these to then importance sample the spectral domain. Hereby, we lower variance and reduce noise with little overhead. Our method handles challenging scenarios with difficult spectral distributions, many different emitters, and participating media. Finally, it can be integrated into existing spectral rendering methods for an additional acceleration.en_US
dc.description.number7
dc.description.sectionheadersGlobal Illumination
dc.description.seriesinformationComputer Graphics Forum
dc.description.volume40
dc.identifier.doi10.1111/cgf.14408
dc.identifier.issn1467-8659
dc.identifier.pages141-148
dc.identifier.urihttps://doi.org/10.1111/cgf.14408
dc.identifier.urihttps://diglib.eg.org:443/handle/10.1111/cgf14408
dc.publisherThe Eurographics Association and John Wiley & Sons Ltd.en_US
dc.subjectComputing methodologies
dc.subjectRay tracing
dc.titleA Multi-pass Method for Accelerated Spectral Samplingen_US
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