Physically based real-time translucency for leaves

  • Authors:
  • Ralf Habel;Alexander Kusternig;Michael Wimmer

  • Affiliations:
  • Vienna University of Technology;Vienna University of Technology;Vienna University of Technology

  • Venue:
  • EGSR'07 Proceedings of the 18th Eurographics conference on Rendering Techniques
  • Year:
  • 2007

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Abstract

This paper presents a new shading model for real-time rendering of plant leaves that reproduces all important attributes of a leaf and allows for a large number of leaves to be shaded. In particular, we use a physically based model for accurate subsurface scattering on the translucent side of directly lit leaves. For real-time rendering of this model, we formulate it as an image convolution process and express the result in an efficient directional basis that is fast to evaluate. We also propose a data acquisition method for leaves that uses off-the-shelf devices.