An efficient caching-based rendering of translucent materials

An efficient caching-based rendering of translucent materials

This paper presents an efficient caching-based rendering technique for translucent materials. The proposed caching scheme, inspired by the irradiance caching method, is integrated into a hierarchical rendering technique for translucent materials. We propose a split-disk model to determine the cache...

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Veröffentlicht in:The Visual computer 2007-01, Vol.23 (1), p.59-69
Hauptverfasser: Keng, Shih-Ling, Lee, Wang-Yeh, Chuang, Jung-Hong
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Sprache:eng
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Caching
Dipoles
Illuminance
Interpolation
Irradiance
Rendering
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creator Keng, Shih-Ling
Lee, Wang-Yeh
Chuang, Jung-Hong
description This paper presents an efficient caching-based rendering technique for translucent materials. The proposed caching scheme, inspired by the irradiance caching method, is integrated into a hierarchical rendering technique for translucent materials. We propose a split-disk model to determine the cache distribution and derive the subsurface illuminance gradient used for interpolation by reformulating the equation of dipole diffusion approximation as a 3D convolution process. Our experiments show that only a few caches are required to interpolate the entire image, while the visual difference is negligible. The speedup could be achieved up to one order of magnitude.
doi_str_mv 10.1007/s00371-006-0082-7
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subjects Caching
Dipoles
Illuminance
Interpolation
Irradiance
Rendering
title An efficient caching-based rendering of translucent materials
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