Interactive Interpolation of Metallic Effect Car Paints

dc.contributor.authorGolla, Timen_US
dc.contributor.authorKlein, Reinharden_US
dc.contributor.editorBeck, Fabian and Dachsbacher, Carsten and Sadlo, Filipen_US
dc.date.accessioned2018-10-18T09:33:00Z
dc.date.available2018-10-18T09:33:00Z
dc.date.issued2018
dc.description.abstractMetallic car paints are visually complex materials that, among others effects, exhibit a view-dependent metallic sparkling, which is particularly difficult to recreate in computer graphics. While capturing real-world metallic paints is possible with specialized devices, creating these materials computationally poses a difficult problem. We present a method that allows for interactive interpolation between measured metallic automotive paints, which can be used to generate new realistic-looking metallic paint materials. By clustering the color information present in the measured bidirectional texture function (BTF) responsible for the metallic sparkling effect, we set up an optimal transport problem between metallic paints' appearances. The design of the problem facilitates efficiently finding a solution, based on which we generate a representation that allows for real-time generation of interpolated realistic materials. Interpolation happens smoothly, no flickering or other visual artifacts can be observed. The developed approach also enables to separately interpolate the larger-scale reflective properties, including the basic color hue, the local color hue, and the sparkling intensity of the metallic paint. Our method can be used intuitively in order to generate automotive paints with a novel appearance and explore the space of possible metallic paints spanned by given real-world measurements. The resulting materials are also well suited for real-time rendering in standard engines.en_US
dc.description.sectionheadersRendering
dc.description.seriesinformationVision, Modeling and Visualization
dc.identifier.doi10.2312/vmv.20181248
dc.identifier.isbn978-3-03868-072-7
dc.identifier.pages11-20
dc.identifier.urihttps://doi.org/10.2312/vmv.20181248
dc.identifier.urihttps://diglib.eg.org:443/handle/10.2312/vmv20181248
dc.publisherThe Eurographics Associationen_US
dc.subjectComputing methodologies
dc.subjectComputer graphics
dc.subjectRendering
dc.subjectReflectance modeling
dc.titleInteractive Interpolation of Metallic Effect Car Paintsen_US
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