A METHOD FOR VISUALIZING FUNCTIONALLY DEFINED SURFACES WITH A COMPLEX MICROSTRUCTURE
S. I. Vyatkin, B. S. Dolgovesov
Institute of Automation and Electrometry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
Keywords: functionally defined surfaces, perturbation functions, Fourier transform, bidirectional reflectance distribution function, specular reflection, diffuse reflection, geometric optics, physical optics, diffraction, interference
Abstract
Functionally defined surfaces with a complex microstructure are offered for realistic scenes. A model based on wave optics is described for visualizing surfaces with microscale roughness, which increase the realism of objects under various observation and lighting conditions because of diffraction and mutual interference. The model includes modeling of light transfer and surface, which serve as its initial data. The diffraction effects taking into account the surface roughness are shown. An approximation of spatial coherence using a Gaussian filter is considered; as a result, it is possible to visualize not only the glare, but also the diffraction of higher orders.
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