Realtime volume rendering using precomputed photon mapping

  • Authors:
  • Yubo Zhang;Zhao Dong;Kwan-Liu Ma

  • Affiliations:
  • UC Davis;Cornell University;UC Davis

  • Venue:
  • I3D '12 Proceedings of the ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games
  • Year:
  • 2012

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Abstract

In this poster, we present a volume rendering framework that achieves realtime rendering of global illumination effects for volume datasets, such as multiple scattering and volume shadow. This approach incorporates the volumetric photon mapping technique [Jensen and Christensen 1998] into the classical precomputed radiance transfer [Sloan et al. 2002] pipeline. Fig.1 shows that our method is successfully applied in both interactive graphics and scientific visualization applications.