Adaptive lattice-based light rendering of participating media
Changbo Wang, Chenhui Li, Jinqiu Dai, Yang Li
In Computer Animation and Virtual Worlds, 22(6), 2011.
Abstract: The visual world around us displays a rich set of light effects because of translucent and participating media. It is hard and time consuming to render these effects with scattering, caustic, and shaft because of the complex interaction between light and different media. This paper presents a new rendering method based on adaptive lattice for lighting participating media of translucent materials such as marble, wax, and shaft light. Firstly, on the basis of the lattice-based photon tracing model, multi-scale hierarchical lattice was constructed by mixed lattice types sampling combined cubic Cartesian and face-centered cubic with view-dependent adaptive resolution. Then, an adaptive method to trace diffuse photons and marked specular photons with different phase functions was suggested. Multiple lights and heterogeneous materials were also considered here. Further, the mixed rendering method and GPU accelerate technology were introduced to render different light effects under different participating media.
Keyword(s): participating media, lattice, multi-scale, lighting rendering
Article URL: http://dx.doi.org/10.1002/cav.426
BibTeX format:
@article{Wang:2011:ALL,
  author = {Changbo Wang and Chenhui Li and Jinqiu Dai and Yang Li},
  title = {Adaptive lattice-based light rendering of participating media},
  journal = {Computer Animation and Virtual Worlds},
  volume = {22},
  number = {6},
  pages = {487--498},
  year = {2011},
}
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