VMV16
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Browsing VMV16 by Subject "and texture"
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Item A Deferred Rendering Pipeline Including a Global Illumination Model for Atmospheric Scattering and Transparency(The Eurographics Association, 2016) Heppner, S.; Dransfeld, M.; Domik, G.; Oleg LobachevAbstract This poster presents suitable global illumination models for atmospheric scattering in outdoor scenes combined with a deferred rendering pipeline which offers the possibility of rendering transparent objects. The use case is a HIL simulation for camera based ADAS tests that require a realistic rendering of outdoor scenes.Item An Interactive Appearance Model for Microscopic Fiber Surfaces(The Eurographics Association, 2016) Velinov, Zdravko; Hullin, Matthias B.; Matthias Hullin and Marc Stamminger and Tino WeinkaufModeling and rendering the appearance of fabrics remains one of the most challenging research topics in computer graphics. Today's most advanced models are based on volumetric fiber distributions, obtained from advanced measurement techniques like micro-CT, and only renderable through expensive volume rendering approaches. In this paper, we propose an analytical BRDF model for pile fabrics, i.e., textiles like velvet, plush or Alcantara, that are characterized by open-ended strands of yarn. A fascinating property of many such materials is that they ''memorize'' tactile interaction and that their appearance depends on the last direction in which the surface was brushed. Our reflectance model, inspired by recent microflake models, links the microscopic structure of a material to the interaction that caused that structure, and to the resulting macroscopic reflectance behavior. We present an end-to-end pipeline for fitting the parameters of our model to measured reflectance data, for manipulating fiber distributions using tactile input, and rendering the resulting spatially varying surface appearance in real time.