Browsing by Author "Jansson, Erik Sven Vasconcelos"

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    Real-Time Hybrid Hair Rendering
    (The Eurographics Association, 2019) Jansson, Erik Sven Vasconcelos; Chajdas, Matthäus G.; Lacroix, Jason; Ragnemalm, Ingemar; Boubekeur, Tamy and Sen, Pradeep
    Rendering hair is a challenging problem for real-time applications. Besides complex shading, the sheer amount of it poses a lot of problems, as a human scalp can have over 100,000 strands of hair, with animal fur often surpassing a million. For rendering, both strand-based and volume-based techniques have been used, but usually in isolation. In this work, we present a complete hair rendering solution based on a hybrid approach. The solution requires no pre-processing, making it a drop-in replacement, that combines the best of strand-based and volume-based rendering. Our approach uses this volume not only as a level-of-detail representation that is raymarched directly, but also to simulate global effects, like shadows and ambient occlusion in real-time.