Acquisition of time-varying participating media

  • Authors:
  • Tim Hawkins;Per Einarsson;Paul Debevec

  • Affiliations:
  • USC Institute for Creative Technologies;USC Institute for Creative Technologies;USC Institute for Creative Technologies

  • Venue:
  • ACM SIGGRAPH 2005 Papers
  • Year:
  • 2005

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Abstract

We present a technique for capturing time-varying volumetric data of participating media. A laser sheet is swept repeatedly through the volume, and the scattered light is imaged using a high-speed camera. Each sweep of the laser provides a near-simultaneous volume of density values. We demonstrate rendered animations under changing viewpoint and illumination, making use of measured values for the scattering phase function and albedo.