Rendering diffraction Phenomena on rough surfaces in Virtual Reality
Olaf Clausen (Cologne University of Applied Sciences)
Arnulph Fuhrmann (Cologne University of Applied Sciences)
Martin Mišiak (University of Würzburg)
Marc Latoschik (University of Würzburg)
R. Marroquim (TU Delft - Computer Graphics and Visualisation)
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Abstract
Wave-optical phenomena, such as diffraction, significantly impact the visual appearance of surfaces. Despite their importance, wave-optical reflection models are rare and computationally expensive. Recently, we presented a real-time model that accounts for diffraction-induced color shifts and speckle. Given that diffraction phenomena are highly dependent on illumination and viewing directions, as well as stereoscopic vision, we developed a VR demo to evaluate the new model. This demo shows the substantial impact of diffraction on the appearance of rough surfaces, particularly in stereoscopic viewing.
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