Real-Time Underwater Spectral Rendering

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dc.contributor.authorMonzon, Nestoren_US
dc.contributor.authorGutierrez, Diegoen_US
dc.contributor.authorAkkaynak, Deryaen_US
dc.contributor.authorMuñoz, Adolfoen_US
dc.contributor.editorBermano, Amit H.en_US
dc.contributor.editorKalogerakis, Evangelosen_US
dc.date.accessioned2024-04-30T09:07:33Z
dc.date.available2024-04-30T09:07:33Z
dc.date.issued2024
dc.description.abstractThe light field in an underwater environment is characterized by complex multiple scattering interactions and wavelengthdependent attenuation, requiring significant computational resources for the simulation of underwater scenes. We present a novel approach that makes it possible to simulate multi-spectral underwater scenes, in a physically-based manner, in real time. Our key observation is the following: In the vertical direction, the steady decay in irradiance as a function of depth is characterized by the diffuse downwelling attenuation coefficient, which oceanographers routinely measure for different types of waters. We rely on a database of such real-world measurements to obtain an analytical approximation to the Radiative Transfer Equation, allowing for real-time spectral rendering with results comparable to Monte Carlo ground-truth references, in a fraction of the time. We show results simulating underwater appearance for the different optical water types, including volumetric shadows and dynamic, spatially varying lighting near the water surface.en_US
dc.description.number2
dc.description.sectionheadersRendering Natural Phenomena
dc.description.seriesinformationComputer Graphics Forum
dc.description.volume43
dc.identifier.doi10.1111/cgf.15009
dc.identifier.issn1467-8659
dc.identifier.pages11 pages
dc.identifier.urihttps://doi.org/10.1111/cgf.15009
dc.identifier.urihttps://diglib.eg.org/handle/10.1111/cgf15009
dc.publisherThe Eurographics Association and John Wiley & Sons Ltd.en_US
dc.rightsAttribution 4.0 International License
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.titleReal-Time Underwater Spectral Renderingen_US
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