Point-Based Impostors for Real-Time Visualization

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• Publication Type: Conference Paper
• Editor: Steven J. Gortler and Karol Myszkowski
• ISBN: 3-211-83709-4
• Lecturer: Michael Wimmer
• Organization: Eurographics
• Publisher: Springer-Verlag

@inproceedings\{Wimmer-2001-Poi,
  title =      "Point-Based Impostors for Real-Time Visualization",
  author =     "Michael Wimmer and Peter Wonka and Fran{\c c}ois Sillion",
  year =       "2001",
  abstract =   "We present a new data structure for encoding the appearance
               of a geometric model as seen from a viewing region (view
               cell). This representation can be used in interactive or
               real-time visualization applications to replace a complex
               model by an impostor, maintaining high quality rendering
               while cutting down rendering time. Our approach relies on an
               object-space sampled representation similar to a point cloud
               or a layered depth image, but introduces two fundamental
               additions to previous techniques. First, the sampling rate
               is controlled to provide sufficient density across all
               possible viewing conditions from the specified view cell.
               Second, a correct, antialiased representation of the
               plenoptic function is computed using Monte Carlo
               integration. Our system therefore achieves high quality
               rendering using a simple representation with bounded
               complexity. We demonstrate the method for an application in
               urban visualization.",
  pages =      "163--176",
  month =      jun,
  organization = "Eurographics",
  booktitle =  "Rendering Techniques 2001 (Proceedings Eurographics Workshop
               on Rendering)",
  editor =     "Steven J. Gortler and Karol Myszkowski",
  isbn =       "3-211-83709-4",
  publisher =  "Springer-Verlag",
  URL =        "http://www.cg.tuwien.ac.at/research/publications/2001/Wimmer-2001-Poi/",
}